vyhledat jakékoliv slovo, například blumpkin:
 
1.
The growth of an inflammed, festered, and bloody hemorrhoid that creates a groove-like affect in your feces.
Dave, don't do it. Jeff has an ass knuckle, that's not going to be fun.
od uživatele Sean Piner 30. Září 2006
 
2.
Someone who is clueless or stupid.
"Dude the new guy is such a dumbass!

"for real, he's a total friggin' ass-knuckle!
od uživatele Skin bone 21. Květen 2011