When a female convinces you that she is on birth control, and not to use a condom. And when the male is about to pull out to ejaculate, the female wraps her legs around the males torso, forcing him to cum inside her. (Most common occurrence in missionary position)
Example 1

"Emilio doesn't seem to like his wife very much,..... The only reason they got married is because he got Penis thigh trapped"

Example 2
"Shit man!" I was banging daves girlfriend last night, and she totally penis fly trapped me! Good thing I was fucking her in the ass!"
by Asapparky July 17, 2018
Get the Penis Thigh Trap mug.
Adjective- A girl with STD's or a girl that has her man's cash in prizes in a noose.
*At a Club*
Idiot 1- Bro, that chick is totally checkin me out. Should i go tag that shit?
Smart Dude- Your fucking retarded, that chick is known to be a penis guy trap, just stay shy for a bit you horny bastard.
by Alfie82 December 8, 2008
Get the Penis Guy Trap mug.
The event in which a man is done peeing into a urinal, then zips the tip of his penis up in his zipper, causing an excrutiating pinching pain that results in loud sreaming and cursing.

The name derives from the penis getting trapped in the fly. Hence the name penis fly trap.
(two guys standing by seperate urinals, finishing up)

Man 1: AAAAAAHHHHHHHH!!!!!

Man 2:WHAT?!?!

Man 1:PENIS FLY TRAP!

Man 2:Ouch...
by iforgetmynamealot May 20, 2010
Get the Penis Fly Trap mug.
When a girls between your legs giving head and you're about to cum, forcefully squeeze your legs together trapping her head between your thighs and forcing her to take your jizz.
lars: "damn, that girl gave you a dirty look"
mitch: "yeah, i gave her the penis fly trap."
Get the Penis Fly Trap mug.
A female who tends to sleep with many men, and who may have one or more sexual diseases...
"Hey guys, did you hear? Burt slept with The Penis Fly Trap! He certainly has been where every man has been before!"
by Mogz October 13, 2005
Get the penis fly trap mug.
A nearly impossible sexual act, requires extreme control over prostate muscles and or involves the next stage in human evolution, when a girl is preforming oral sex on a man, the man has the tip of his penis open up like the claws on Dr. Octopus's arms, and clasp her head inside
If a girl sucks you off the wrong way, Penis Fly Trap her head to teach her a lesson
by The Bees February 18, 2005
Get the The Penis Fly Trap mug.
a condom with barbed "teeth" invented by Dr Sonnet Ehlers to deter and punish rapists.
the girl inserted a penis fly trap before walking through the township in case she was attacked and raped.
by noni movie August 19, 2010
Get the penis fly trap mug.