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 03, 2011
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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
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