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100 Surprising Penis Facts



  1. The word “penis” is from the Latin meaning “tail.” The plural of penis is penises or penes. The word “phallus” is sometimes used to mean “penis,” but traditionally it is used to describe images or symbols of the penis.

  2. Alternate words for “penis” include Adolph, anaconda, baby-maker, baloney pony, bell on a pole, cock, chopper, cum gun, deep V diver, dick, ding-a-ling, disco stick, Excalibur, fuck pole, jimmy, joystick, love muscle, meat stick, pink cigar, pork sword, prick, skin flute, spit stick, third leg, trouser snake, wang, wick, yard, yoghurt gun, and many more.

  3. The blue whale has the largest penis of any animal, typically measuring between 8 and 10 feet long with a girth from 12 to 14 inches. Its testes weigh between 100-150 pounds and can ejaculate over 35 pints.

  4. Most mammals have a bone called the baculum or os penis in the penis, but it is absent in humans and horses. Although there are no bones in a human penis, a man can still suffer from penile fracture, which is when the thick membrane surrounding the erectile tissue tears. There is usually a “cracking” sound, an immediate loss of erection, and a great deal of pain. In extreme cases, the urethra can be damaged, which affects the ability to urinate.

  5. Though an adult chimpanzee is significantly smaller than an adult gorilla, it has a penis about double that of the gorilla. An adult gorilla’s penis is about 1.5 inches (4 cm) in length.

  6. According to condom manufacturers, only 6% of the world’s population of men needs an extra-large sized condom.

  7. The human penis is larger than that of any other primate, both in terms of proportion to body size and in absolute terms.

  8. Domestic cats have barbed penises. They have about 120 to 150 one-millimetre-long spines that point backwards. When the penis withdraws from the female cat, the spines rake along the vagina, triggering ovulation.

  9. Male canines are the only animals that have a locking bulbus glands at the base of the penis. When the penis is fully inside the female, the glands become engorged with blood. When the female’s vagina contracts, the penis becomes locked inside the female, which is also known as “tying” or “knotting.”

  10. Doctors can use the foreskins of circumcised infants to grow skin for burn victims. Just one foreskin can create 23,000 square meters of skin.

  11. A hard-shelled sea creature named Colymbosathon ecplecticos is the oldest known species with a penis. Its name means “amazing swimmer with a large penis” in Greek.

  12. Only one man in 400 is flexible enough to give himself oral sex.

  13. There are two kinds of penises: 1) a grower, which expands and lengthens when erect and 2) a shower, which looks big most of the time, but doesn’t get much bigger after an erection. Approximately 79% of men have growers and 21% have showers. In other words, a man who has a small flaccid penis might have a surprisingly big erection. Conversely, a man with a big, limp penis might not get a significantly larger erection.

  14. King Fatefehi of Tonga most likely has the penis with the most action. He supposedly deflowered 37,800 women from 1770-1784, or about 7 women a day.

  15. There is a penis museum in Iceland.

  16. The average erect penis size is between 5-6 inches. A flaccid penis is around 3.5 inches.

  17. Smoking can shorten the penis by up to a centimetre. Because smoking calcifies blood vessels, it can impede erectile circulation, which creates erections.

  18. A bottle-nosed dolphin named Freddie was known to tow bathers through the water by hooking his large penis around them.

  19. In a condition called Diphallus, males are born with two penises. Usually, only one penis is fully formed and semi-functional. This condition affects about 100 men worldwide.

  20. Squirrel monkeys and male baboons will gesture with an erect penis as a threat to predators or as a sign of impending danger.

  21. The adult male elephant has the largest penis of any land animal at 6 feet on average. It is S-shaped when fully erect.

  22. Most marsupials have a bifurcated penis, which corresponds to the female’s two vaginas. Male echidnas have marsupials beat with their four-head penises.

  23. Men who have been hanged often get a “death erection” also known as "angel lust."

  24. A man will ejaculate on average of 7,200 times during his lifetime. The average number of times he will ejaculate from masturbation is 2,000. The average speed of ejaculation is 28 miles per hour.

  25. Globally, approximately 30% of men over 15 years old have been circumcised, according to the 2007 WHO report. However, nearly all Jewish and Muslim males in the world are circumcised and makeup 70% of all circumcised men in the world.

  26. Women prefer big penises, but not too big. In fact, the returns of a bigger penis start to decline after a flaccid length of 2.99 inches (7.6 cm). However, larger penises were only more attractive on taller men with narrow hips and broad shoulders (V-shaped)–and not for shorter men. In other words, if a man is short and pear-shaped, a large penis will not increase his attractiveness.

  27. Approximately 80% of American men are circumcised.

  28. Studies show that women who orgasm through vaginal stimulation were pickier about penis size than other women.

  29. The smallest natural human penis ever recorded was 5/8 of an inch. The longest erect penis on record is 13 inches.

  30. The signal to ejaculate does not come from a man’s brain—rather, it is sent from his spinal cord.

  31. Most men report that the underside of the glans (head) of the penis and the underside of the shaft is the most sensitive to sexual pleasure, followed by the upper side of the glans.

  32. Vibrators are not just for vaginas—they work on penises too and can even help men with spinal cord injuries ejaculate. For this treatment, a medical vibrator is held against the underside of the head of the penis.

  33. The penis is actually almost twice as long as men think they are. This is because half of the penis is inside the body. The root of the penis is inside the pelvis and attached to the pubic bone. In fact, an erect penis is shaped like a boomerang.

  34. There are at least 42 kinds of bacteria living on the skin of the penis. However, circumcised penises have fewer bacteria. In fact, circumcision has been linked to a lower risk of getting HIV and other diseases.

  35. A fish with a large penis on its head was recently discovered in Vietnam. The penis has a rod and jagged hook used for grabbing the female during sex. Although its scientific name is Phallostethus cuulong, its nickname is “penis head.”

  36. A condition called “Koro” or “penis panic” is a type of mass hysteria in which men believe their penises are vanishing. It’s more common in Africa and the Far East.

  37. A 49-year-old man in L.A. underwent a 13-hour operation to remove his testicles, which had grown to the size of a pogo ball and weighed over 140 pounds. The surgery, however, left him with a 1-inch penis. He said his testicles grew so large in 2008 when he squished them while he slept.

  38. Worldwide, only 5% of men wear condoms during sex. There are 2.5 million new HIV infections a year.

  39. The U.S. ranks 18th in terms of average erect human male penis length, at 5.1 inches. North and South Korea rank last at 3.8 inches, while the Republic of Congo is first at 7.1 inches.

  40. Eight-five per cent of women are satisfied with the penis size of their partners, although only 55% of guys like their size. About 90% of women prefer a wide penis to a long one.

  41. Most sex toy injuries that result in an ER trip are minor; however, some sex toy injuries have resulted in such things as erectile dysfunction, penile skin loss, an urethrocutaneous fistula (permanent hole in the penis), or penile amputation.

  42. In one year, it is estimated that 600 men will go to the ER for sex toy injuries, including injuries to both the penis and the anus. Thousands more go unreported.

  43. A “cock ring” is a constriction device that is placed around the penis alone, around both the penis and scrotum or around the scrotum alone (“testicle cuff”). Its aim is to restrict the flow of blood from the penis or scrotum to make an erection last longer. They are also called “tension rings” and “erection rings.” They can help men who battle performance anxiety and erectile dysfunction. Metal rings are typically considered safer than elastic rings.

  44. The man with the record for the most ejaculations in one day is Azael, a porn actor. He had 11 ejaculations during a 24-hour period while recording a test tape for a later video he planned to make.

  45. The word "masturbate" is a combination of two Latin words, mans (hand) and stupuere (to defile), which together means "to defile with the hand".

  46. Masturbation has also been called adjusting the antenna, charming the snake, and fiddling the flesh flute. According to Men’s Health, men report masturbating around 12 times per month.

  47. The man who holds the record for the farthest ejaculation is Horst Schultz, who ejaculated 18.7 feet (5.71 meters). An unnamed female holds the record for a female ejaculation at 9.8 feet (3 meters).

  48. A 40-year-old man holds the record for the most ejaculations/orgasms without losing an erection. He had six orgasms with full ejaculations, all within 36 minutes. He