Ψάξε όποια λέξη θες, όπως donkey punch:
 
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.
από Sean Piner 30 Σεπτέμβριος 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!
από Skin bone 21 Μάιος 2011