Top Definition
sexual activity under punishment of law.
Dropping the soap in prison could initiate penal sex with inmates.
by Eternally His June 04, 2010
3 more definitions
We've heard of vaginal sex, oral sex and even anal sex. The rarest one is penal sex. The act of inserting the penis not into a vagina, not in the mouth or the anus, but into another penis hole. OOOOOOOOOOOOOOOOOOOOOOUUUUUUUUUUUUUUUUUUUUUUUUUUCCCCCCCCCCCCCCCCCCCCCCHHHHHHHHHHHHHHHHHHHHHHHHH!!!!!!!!!!!!!!!!!!!!!!!
Me and Derek have penal sex regularly. It hurts but we take it in turns to penetrate. (I AM NOT GAY BTW)
by donkeysheep April 11, 2009
when a penis enters a vagina
yesterday i had penal sex with my boyfriend in the pub after, my vagina hurt
we had sex
by romance girl September 26, 2008
When someone sticks their penis in someone else's penis somehow. Fags like to do it.

It can also be in futanari when a girl with a penis has a guy or another girl with a penis stick their penis in hers. Since its anime, anything can happen.
They had penal sex. I bet it hurt!
by RandomGuy March 28, 2005

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