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
by D-ton218 January 04, 2019
by Smackedy March 20, 2014
by ShellBell*0ICU812 March 22, 2023
by Th3 mountain man September 14, 2020
1. I'm going to polish knuckles with that guy after class.
2. I want to polish knuckles on their face!
2. I want to polish knuckles on their face!
by Th3 mountain man September 14, 2020
by SIR TORQUE'S ALOT October 27, 2016