This tiny plastic knife is no match against that big ass jar of Jiff. Got me covered in the knuckle-butter...
by Grandmaster Dave November 28, 2017
Noun, the slimy substance that seeps out from between the fingers of a closed fist after a person has ejaculated in their own hand.
by Bentrok April 28, 2006
by tophercat9 July 11, 2010
the way your knuckles look after eating popcorn from the bag. (: which is usually this dark yellow color.
by tophercat9. July 11, 2010
by Britt Charnock March 06, 2017
When you fist a girls asshole then switch to her pussy and the butt/pussy juices mix to create a tan frothy cream.
"After I fisted my girls butt i switched to da pussy, my wrist was drippin with knuckle butter son!"
by IAbmx May 11, 2015