Lap Butter

when a girl is fucking you while she has a yeast infection and smears that goop all over your shit.

yo i ran into some lap butter the other night, it was horrible.

by DonSlappy November 2, 2011

lap butter

the juice that flows forth from an excited woman

as john bounced janet on his knee he could detect a slight residue of lap butter seeping through his trouser leg

by stopherer May 11, 2008