Weasel butter is the build up of piss that ends up on urinals, toilets, and bathroom floors. As the pee dehydrates it takes the appearence of butter.and since you leak your weasel, it's called weasel butter.
Damn there is so much weasel butter on the floor you could cook eggs on it.
by original gasbag September 27, 2013
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/\ lol. Butter Weasel is none of those things. It is a person who weasels his way out of bad situations, and eats lots of fatty food while doing so.
that fat fuck butter weasel'd himself outta that one
by MeatWagon October 3, 2013
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a bitch-ass, hoe-smut, smeaze-faggot, failure at life.
Me: You dropped outta high school to be a rodeo clown???

Loser: Yeah man, I hate school.

Me: Wow, you really are a butter weasel.
by Jay-Rock21 May 6, 2009
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