What is Gorilla Thumb?
1.
A penis - particularly a penis that is curious and/or searching for something. The gorilla thumb might be particularly hairy or thick, although not necessarily. Ideally, it doesn't have a fingernail.
I'm tired. Get your gorilla thumb away from me.
See
Random Words:
1.
the act of popping a man's anal cherry (origin: the city of Manheim)
sammy grew fond of manhymen steamroller around the holidays
..