10 Fascinating Facts You Probably Didn’t Know About Penises

Let’s face it. Penises are pretty cool. They provide pleasure while perpetuating the human race. Freud noted that human genitalia is, objectively, not exactly beautiful but that we lust after it anyway, at least when it’s attached to the right person.

Here are 10 fascinating facts you probably didn’t know about penises. With any luck, they’ll help you to appreciate them even more than you already do.

10. The etymology for the word “penis”

The word “penis” comes from the Latin word for “tail.”

“Penis” was not adopted into the English language until the 17th century. Prior to that, a penis was referred to as a “yard.”

9. The world’s largest penis on record…

The largest erect penis ever to be medically verified measured 13.5 inches long and 6.25 inches in circumference. It belongs to an American bisexual man named Jonah Cardeli Falcon. His penis is 9.5 inches when flaccid and 13.5 inches when erect.

But having the world’s biggest penis isn’t all it’s cracked up to be.

“When I meet people they find it hard to look me in the eye, they just see what’s in my trousers,” Falcon has said. “It’s become a real problem.”

That’s a problem we’d like to have, too.

8. The average penis size…

Don’t let Jonah Cardeli Falcon make you feel self conscious about the size of your dong. According to the Journal of Sexual Medicine, the average American man’s penis is 5.6 inches long when erect.

That means there’s a whole lot of liars on Grindr, Manhunt and Adam4Adam.

7. Self pleasure

It is estimated by Men’s Health that 1 in 400 men are flexible enough to perform oral sex on themselves. Don’t ask us where this statistic came from.

6. Some babies are born with two penises.

Diphallia, also known as penile duplication, is when a child is born with two penises. It is a rare condition that affects one in every 5-6 million males.

63428114_129358850489Juan Baptista dos Santos (left) is probably the most famous man to suffer from diphallia. (He also had a third leg.) He was born in Portugal in 1863. Both of his peckers were said to have been fully functional — meaning he could urinate and ejaculate from each.

Juan is said to be have been a man of “animal passion,” who would have sex with both of his penises, finishing with one, then continuing with the other.

Sounds pretty incredible. Just imagine the kind of three-ways he could have.

5. Yes, it’s possible to break your penis.

Penile fractures affect around 200 Americans each year and usually happens during violent intercourse, sexual acrobatics, or aggressive masturbation.

During an erection, the penis becomes engorged with blood. If the penis is bent in a sudden or forceful manner during this time, the trauma can rupture the lining of one of the two cylinders inside the penis, known as the corpus cavernosum. This is usually accompanied by a cracking sound, followed by severe bruising and swelling.

Sounds awful.

You can see a really gruesome picture of a broken penis here (but don’t say we didn’t warn you).

4. The brain is not needed to ejaculate.

The order to ejaculate comes from the spinal cord, not the brain. Who knew?

No wonder our timing is always off.

3. The volume, speed and calorie count of cum.

The average man shoots between one and two teaspoons of cum per orgasm. Each wad contains approximately seven calories, and each spurt propels through the air at about 28 MPH. It is believed that the average man will ejaculate around 7,000 times in his life. Clearly that number does not apply to gay men, who exceed that number by the age of 20. Clearly.

2. Erections.

The average male has 11 erections during the day and anywhere between three and nine during the night. Nighttime erections are called “nocturnal penile tumescence” and usually last between 25 and 35 minutes each.

Erections keep the penis in shape. “It has to be essentially exercised,” says Tobias Kohler, MD, an assistant professor of urology at Southern Illinois University School of Medicine.

In other words: masturbate, masturbate, masturbate.

Without regular erections, penile tissue can lose elasticity and even shrink, making the penis as much as 1-2 centimeters shorter.

So, again: masturbate, masturbate, masturbate.

1. Myths debunked.

Contrary to popular belief, you cannot gauge the size of a man’s penis by the size of his feet. A study from the University College Hospitals in London measured the penises and feet of 104 men and found no correlation whatsoever.

You also can’t tell the size of a man’s penis by the size of his fingers or nose, or by what kind of vehicle he drives. There is no scientific data that supports any of these hypotheses.

So stop looking at the feet of guys you meet to figure out who you want to sleep with at the bar. It’s useless.

But size doesn’t matter anyway, right?

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  • Captain proton

    Re: “That’s a problem we’d like to have, too.”

    No you don’t. I’ve known a couple of guys who were 10+ inches long (and quite thick) and as they grew older it became harder (pardon the pun) for them to achieve full erection.

    and I don’t mean older as in their 40s or 50s. One of them is 28 and the other just turned 26.

  • Shadeaux

    I bet they could go to the hood in Mt Pleasant TX and find many penises larger than 13.5 inches. I say “the hood” because that’s where I’m from and I can name 2 off top.

  • Dxley

    “Clearly that number does not apply to gay men, who exceed that number by the age of 20. Clearly.”

    Speak for yourself. I only started masturbating at 16, and I would only do it once or twice a week and I’m now 25 and I’m sure I haven’t reached 7000 yet, so that was a stupid generalization.

    Sorry, but 13.5 inches is NOT something I want and I wouldn’t let any guy with such a monster to do me. What do you want me to be? A slopabottomus queer? Sorry, Jonah; it looks like you’re going to be single for a long time but I wish you luck but, a chiquito pito ain’t gonna cut it either.

    Perform oral on yourself? Well, someone needs a boyfriend/girlfriend and definitely a LIFE.

    Who still uses Grindr?

  • viveutvivas

    “The average male has 11 erections during the day.”


  • Rockery

    I’m pretty sure Juan Baptista is not a man with 2 penises, he is a conjoined twin that did not fully form..

    Not surprising that the brain is not needed to ejacualte, when you touch something hot and you remove it, your brain is not involved either

    Jonah makes me want to vomit

  • jwrappaport

    I would literally be three times as productive if I didn’t have a penis.

  • AuntieChrist

    I think a better title wound have been Things You Don’t Want to Know…Women have know all along that the brain is not involved…. Now that I know it sure explains a lot about the guys I have known over the years.

  • griffnyc

    I find the quote in #8 laughable. The individual mentioned releshes in people staring at his package and frequently wears bicycle shorts just to show off.

    There’s nothing wrong with that, but JF, please dont fib.

  • sangsue

    If a penis was 13 inches long, couldn’t you trip on it?

  • BrandoPolo

    8-10 inches is perfect. Of course I have a personal bias.

  • FiliusLupus

    About the fact about “myths bebunked” I’ve got to disagree about the kind of car he drives. For my own experience, I have found that the bigger the car is the smaller the willy is. Not that I am “size queen”, but seriously guys: I don’t want a man who needs a “penis extension”. No thanks.

    I feel pity for Jonah Falcon. That thing simply looks grotesque. Particularly because he does not seem to take good care of his body. Believe me: that is a problem I DON’T want to know.

    What the bloody hell is grindr???

    That thing about the brain not needed to ejaculate: true. I know quite a few “brainless” morons who should had not reproduced at all in first place.

  • MMDD

    “Freud noted that human genitalia is, objectively, not exactly beautiful but that we lust after it anyway, at least when it’s attached to the right person.”

    I just have to say that I’ve always found male genitalia to be beautiful and have rarely seen a penis that I didn’t find attractive in and of itself, regardless of the man it’s attached to. That being said, some are just exceptionally beautiful, and when you find one of those attached to an equally beautiful man…well, that just takes it to a whole different level.

  • Carl1935

    I don’t think that’s the longest penis
    I have a video of a 20″ penis (when it’s erect) but I can’t upload it on here.

  • BrandoPolo

    @MMDD: Touche’. Freud was a pioneer, but also wrong about many many things.

    @Carl1935: Really? Do you also have videos of unicorns and the Loch Ness Monster that you can’t upload?

  • Carl1935

    I can get them too if you really want see them…LOL
    Probably all good editing…
    after I had a good look.. was probably a really good DILDO.
    Sorry about that….

  • Goforit

    @Dxley: I may not have reached that 7000 number by age 20 either but I have since more than made up for your lack of libido. I can remember having orgasims by the age of 11. By 14, masturbating almost daily. There were several years in my 20’s where 3 or 4 times a day were common. By my 30’s on, I averaged 1 a day. I am now 63 and still average 1 a day. Hell, a couple of weeks ago I even had a 3er. Dont judge everybody by your own limited experiences.

  • Dxley

    @Goforit: I’m not judging anyone by anything. I’m just saying not every guy masturbates three times a day – it’s just not possible for others. I wouldn’t call it “lack of libido” but that’s just how they are. Not everyone jumps at the opportunity to have sex, not even with their hand. Why would I want to masturbate three times a day? I’m glad that an old timer like you still manages to do that and good for you. Really!!!

  • emjayay

    Jeeze, Carl, at least you could provide a link or something.

    Anyway, yeah, the self promoting guy definitely isn’t the biggest. We all have the internet, apparently, and some of them aren’t photoshopped.

  • the other Greg

    A lot of sexual statistics are interpreted by naive, homophobic, straight-guy scientists and it ends up being not exactly “scientific.” Queerty is properly suspicious of the “7,000” statistic (where does that cum from, anyway?) but you should be suspicious of the other other data too.

    7,000 ejaculations in a lifetime, really? Do the math. Say you’re an over-50 type like me who STILL does it almost every single day, with or w/o the bf (and we’re not even into porn!) – that’s very conservatively 300 times a year… 3,000 times in ten years… 6,000 times from age 30 to 50 (again, VERY conservatively). That’s leaving out the entire almost 20 years before that from age 11 or 12, when most normal guys start doing it, to age 30, while testosterone is running amok.

    Guys in their 20s can routinely cum 3 times a day, day after day after day, week after week. (And this was way back in the 1980s, when sex was invented!)

    Some of you porn freaks, I bet could “beat” that easily, probably by a factor of 2 or 3! I bet some of you porn freaks have passed the 100,000 mark already.

    So where does this “7,000” figure even cum from???

    @Dxley: How did you NOT start masturbating until you were 16??? I mean, how is that even possible??? I mean, my bf went to Catholic school and even he started at 12.

  • the other Greg

    @Shadeaux: I believe you! There are a lot out there bigger than 13.5 – usually black, not always but usually.

  • MMDD

    @the other Greg: I didn’t start masturbating till I was 17, and even then I went through years of guilt feeling like it was something I should be ashamed of. Fact is, I never really started enjoying sex till I was in my 30’s and got a partner.

  • viveutvivas

    They are talking about averages. The average guy has sex or masturbates maybe 2 or 3 times a week if he’s lucky. Regular people who are not supported by their parents have things to do and places to be.

  • tjr101

    I’m pretty sure I’ve met guys with at least 13.5 if not bigger. There was one in particular (biggest of them all) who was so attractive, but I wouldn’t do anything with him for fear of never being able to walk again.

  • the other Greg

    @MMDD: I’m very sorry to hear that (& glad you have found a relationship)… but… I don’t get it. How is that even PHYSICALLY possible??? Don’t get me wrong, I had a miserable, brutal childhood, my parents beat me, etc. etc…….. but… but… how does that prevent you from beating off? I mean, when you’re 16 or 17 it takes, like, 17 seconds. I don’t get it!

    @viveutvivas: Poor vivuetvivas – no wonder you don’t have a boyfriend! I have 3 jobs, pal, and somehow I still manage to get off most days. How much time do long you think it takes, anyway? Maybe you’re just doing it wrong?

  • viveutvivas

    @the other Greg, what’s wrong with 2-3 times a week?

  • pauleky

    I find it sad that so many gay men (and some women) are dismissive of a man for something he has no control over. Some of the best sex I have ever had was with “lesser” endowed men. They sure know how to use what they’ve got. I’ve also had horrible sex with well-endowed men. They seem to think guys will just genuflect and worship them. Often, they have nothing else to offer. Of course, this is not true of all men of both endowments. It shouldn’t matter. I pity those that it does matter to – you’re missing out on great experiences and some great guys. I’m sure you don’t care, and that says even more about you.

  • the other Greg

    @viveutvivas: Sorry – I took offense at your insulting “Little Kiwi”-ish parent remark!

    Well, I suppose 2-3 times a week is fine.

    Anything less than that would probably indicate a physical or psychological problem.

  • Carl1935

    I did mention where you could find the 20 inch video.
    They didn’t print the comment.

  • JDM

    The Average Size. . . As a gay man who, by virtue of my age, has considerable experience in this area I have never met a penis that was smaller than 7″. Though it is believed that all men lie about size, most, of the guys on dating sites, are the size they state. (In my experience.)

  • mcflyer54

    @Dxley: I don’t think the statement was intended as a generalization but as humor.

  • viveutvivas

    @the other Greg, “Anything less than that would probably indicate a physical or psychological problem.”

    I wouldn’t go that far. Most straight married guys I know, especially the ones with children, eventually have sex less than once a week, without physical or psychological problems.

    People have a range of sex drives and I recall reading a study stating that the average was about twice a week, with normal variation above and below.

    As for me, since I don’t have someone in my life and porn lost its novelty years ago, I just don’t have any reason to get excited every day. On a hedonistic vacation in a gay place I might have sex every day but otherwise there are weeks when I don’t have any reason to masturbate more than once. Am I supposed to feel bad about that too?

  • MMDD

    @the other Greg: There’s no written rule saying you HAVE to start masturbating by a particular age. The fact is I had no real understanding of sex or orgasms or even masturbation. Heck, I had to learn about the birds and the bees from reading an encyclopedia. I didn’t have a miserable childhood at all. It’s just that my parents never talked with me about sex, and I never had anybody to show me how things worked “down there.” Once I discovered it, I then had to work through years of thinking it was something to be ashamed of…something “dirty.” But don’t feel sorry for me. I’ve more than made up for it with my beautiful partner. I get off 4 to 5 times a week now with him and enjoy every sweet second of it. Having a penis is a truly awesome thing. :-)

  • jwtraveler

    They say that blind people compensate by developing their senses of hearing, smell and touch. I may not have the biggest penis, but all the men I’ve blown have been very satisfied.

  • the other Greg

    @MMDD: I’m glad to hear it! My original post was merely a complaint about the supposed 7,000 “average” which seems way low to me.

    @viveutvivas: Well okay, let’s try the math with YOUR figures: say 2.5 times a week x 52 weeks a year, x say 50 years from age 15 (? – okay?) to 65, just to ballpark it = 6,500. Hmm, that actually works, with some “senior” years at lower speed at the end, and (I’ll insist) a few years of high speed tacked on at the beginning, for MOST guys.

    But again, they were presenting 7,000 as an AVERAGE so it still seems to me rather low. I’m not into porn either, but probably the modern ubiquity of porn & porn addiction will skew the statistics higher.

    Really, I don’t want you to feel bad! You seem like a nice guy and I hope you find somebody.

  • Carl1935

    Really JDM. Nobody under 7″, WOW you must be the luckiest gay man on earth. Not that size makes a difference, I’ve experienced some as small as 3″ and big as 10″. All very satisfactory when it came to sex.
    It all depends on what you want.

  • BrandoPolo

    I’m pretty sure that decades of research, surveys, and studies has confirmed with relative certainty average is somewhere between 5 and 6. 6+ is above average, 7+ is well above average, and 8+ is big. 9+ is huge and double-digits are holy moly.

    The problem is the only ones you ever see are 8+. for very obvious reasons: those are the only guys who show off whether in the locker room or in video and photo shoots.

    It helps to remember the concept of the silent majority. It often seems like the loudest 10% are the mainstream, but that’s only because they’re so loud. But do not mistake visibility for normalcy. 8+ is not the norm group, it’s just the group seen the most publicly.

    My guy falls into the average, and I think his tool is absolutely perfect. Would not change it if I could. There’s something really hot about the contrast in our sizes. If everybody was huge, nobody would care.

  • viveutvivas

    Sensitivity and function trump size. There is nothing more boring than unsuccessfully trying for an hour to make a not-entirely-erect 10-incher with a numb penis come.

  • viveutvivas

    …and for some reason most 10-inchers seem to be not entirely erect and numb, as opposed to the usually much more delightful 6 and 7 inchers…

  • MMDD

    @the other Greg: I understand. I agree that that average seems to be low. Even though I got a late start, I’m certain that I’ve far surpassed that number….and I’ve been sexually active (by myself or with a partner) for well over thirty years.

    @viveutvivas: Exactly…which is one of the many reasons why I love having an uncut husband. Getting him off through oral is a breeze. It’s the perfect size for sucking too (6.5).

  • Sammy Schlipshit


    You can add links to this page….please do.

  • Carl1935

    I Gave the name of the video on XTUBE.
    They wouldn’t print it

  • Sammy Schlipshit


    Just to be clear….did you give the name of the video or did you paste the link?

    I’m curious.

    Maybe the XTUBE moniker is the problem.

  • NateOcean

    “The brain is not needed to ejaculate.”
    I’ve verified this with several twinks.

  • georgemed222

    Another fact: most men don’t pay sufficient attention to the health of their penis. It doesn’t have to be complicated: just the regular use of a superior penis health cream (health professionals recommend Man1 Man Oil) can make a difference. The best bet is to find a cream that includes vitamin E, which forms a barrier against moisture evaporation helping prevent irritated, cracking or dry penile skin; the cream should also include L-arginine, an enzyme which benefits penile blood vessels and capillaries with a resulting increase in healthy oxygenation of penis cells.

  • MMDD

    @NateOcean: Oh, now THAT was funny!

  • DeeJayMiles

    there are so many dicks longer than that ugly guys 13.5. mandingo for example. and the guy i picked up at the gym. okay, he was crazy, but wow, was he hung!

  • JimD

    Important fact: it needs to be kept healthy. Using a quality penis health crème (health professionals recommend Man1 Man Oil) can help address issues like odor, dry/flaky skin, loss of sensation, etc.

  • Mkiel

    @Goforit: I’m 64 & orgasm @ least once every day & very often twice.

    • Sammy Schlipshit


      You are a fortunate man whom I think may be an exception to the general population of dicks.

      My dumb ass penis went on strike when I was in my 50’s. Shoulda taken pictures during my prime but had no idea of what the future most often holds for geezers.

      I can have orgasms without erections but it’s really hard, determined work.

      Have you ever tried to push a rope? Very similar.

  • Maude

    One in the mouth, is worth two in the bush.

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  • musclemutt

    @the other Greg: Are you as amazed that someone got “Little Kiwi” as I am that you made it?

  • gubalai_sini

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