What is Knuckle Butter?
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Noun, the slimy substance that seeps out from between the fingers of a closed fist after a person has ejaculated in their own hand.
Jack used a tissue to wipe the knuckle butter off of his hand after he jacked off.
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itchy raisin is when you take a dump, wipe your ass but didnt quite get all of it....an hour later your cornhole gets itchy as hell.
da..