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1.
When a male and female of the human species are having sex in the piledriver position and the male has his penis inserted into the female's vagina he takes his testicels and shoves them in her anus.
Person A: "Dude I totally made it with *insert name* last night!"

Person B: "Really? Did you pull The Inverted Theif?"

A: "What's that?"

B: "It's when ou're piledrivin' a girl and you stick your giggle bag in her snatch"

A: "...what is wrong with you?"
by Klicky Zapata April 26, 2011