The act of shitting all over someone in rapid succession for sexual pleasure. You must also eat the excretion for the mating ritual to be complete.
Man 1: WOAH BRO! Me and my gf did the booty machine gun last night!
John: Sounds tasty. You should let me try with you sometime.
John: Sounds tasty. You should let me try with you sometime.
by FuckAss64 December 24, 2019
Get the booty machine gunmug.