Gorilla Pits Share definition Flag A female with very hairy, unshaven armpits. A turn on for some that like their ladies hirsute. I couldn't wait to suck on Brenda's big ole titties but when she took her top off she had gorilla pits. Gorilla Pits by Eaton Holgoode March 7, 2017 Get the Gorilla Pits mug.