Top Definition
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.
po Sean Piner Септембар 30, 2006
1 more definition
Someone who is clueless or stupid.
"Dude the new guy is such a dumbass!

"for real, he's a total friggin' ass-knuckle!
po Skin bone Мај 21, 2011

Slobodna Dnevna e-pošta

Napišite svoju email adresu ispod da dobijete besplatnu Urban Reč Dana svakog jutra!

Email-ovi se šalju sa daily@urbandictionary.com. Nikada vas nećemo spam-ovati.

×