by Uber JoKR December 08, 2016
by XTO June 18, 2010
by 1oftheBOYS February 12, 2021
by pooeyhead April 09, 2014
by condenast June 23, 2019
A term commonly used when describing CT Side Saddle.
It is an optical illusion when you insert your thumb knuckle deep inside a girl's ass. Your knuckle will seem to disappear!
It is an optical illusion when you insert your thumb knuckle deep inside a girl's ass. Your knuckle will seem to disappear!
?: "Where'd it go?"
CT: "There it is!"
?: "Where'd it go?"
CT: "There it is! The disappearing knuckle!"
CT: "There it is!"
?: "Where'd it go?"
CT: "There it is! The disappearing knuckle!"
by Speed Racer 19 April 25, 2010
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