What is Knuckle Butter?
1.
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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1.
The best IRC channel. Yeah. irc.acmlm
Channel numerical-sign is the best channel.
See Xkeeper..