by LoveBunny1 January 13, 2014
Get the Boulder Buttmug. When a girl curls up so there is a divit made in her stomach and the boy jizzes in it enough to make a pool or swamp.
by SWAMMMPYIE January 23, 2018
Get the Swamp ‘n a bouldermug. verb. The act sticking one or both of your testicles in a conscenting party's ass hole and pulling it out with a layer of feces on it.
by D-Money$ August 2, 2014
Get the muddy bouldermug.