look up any word, like plopping:
 
1.
(Noun) The result of poor quality toilet paper when moderate force is used to wipe one's butt

(Noun) A person who regularly sticks their finger in a butt for personal pleasure and/or the pleasure of others e.g. "dirt knuckler"

(Verb) The inadvertent act of penetrating the toilet paper while wiping a butt e.g. "dirt knuckled" "dirt knuckling"
I got a nasty dirt knuckle after crapping on a plane.

There he goes with his finger in his butt again. He's such a dirt knuckler.

Guess I wiped my butt a little too hard because I ended up dirt knuckling.
by Mr. Dirt Knuckle October 21, 2009

Words related to dirt knuckle

brown finger feces finger slip paper pusher shit stain