A Definition via Clerks II: A troll placed inside the pussy of a young girl by her parents to stop premarital sex. A joke played on Elias by his girlfriend.
The pussy troll is a troll that lives in a womans vagina and wont let the woman have sex till married or it will bite the guys dick off
So this one time at band camp I was about to get it in when I felt this sensation on my tally wacker and next thing I know Im dickless, apparently she had the pussy troll