Top Definition
1. Noun. A slurry mixture of loose fecal material and sweat that often resides in the upper region of the butt crack.
1. She complained to Jim about constantly having to clean the butt paste off the toilet seat before she could use it.
2. Jim was in a hurry to make his meeting, so his incomplete ass-wiping resulted in a desposit of butt paste in the upper cleft of his derriere.
by Zen master Tave February 14, 2009
1 more definition
when a young man about 8 gets head and nutts and farts at the same time
dude i just gave that bitch some nasty butt paste
by Mr. Smokes Cock May 10, 2004

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