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1.
The ripping of your trousers to create a vagina like split. If it is on a women it reveals her actual vagina giving a point of easy entry for a man to perform a Dirty Dungeon Pirate.
Eve: Oh it appears I have a Trouser Vagina.
Pete: Yes looks like it's time for a Japanese Crab Stroker.
by Nex Solo May 12, 2011
17 2
 
2.
When one's trousers split at the stitching under the crotch resulting in a trouser vagina.
Connor: Piggy back! *Izzo gets on*
Izzo: Pete, you get on now!
*Pete jumps on*
Pete: FUCK SAKE! Just got a trouser vagina! Don't fuck me guys! Please.
by Pete616 May 12, 2011
19 6