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.
See
Random Words:
1.
A physical gesture. When one person goes for a high-five and the other gives them one with a bald up fist (making the combined hands loo..