etheredのようなどんな単語でも探してください。
 
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.
Sean Pinerによって 2006年09月30日(土)
 
2.
Someone who is clueless or stupid.
"Dude the new guy is such a dumbass!

"for real, he's a total friggin' ass-knuckle!
Skin boneによって 2011年05月21日(土)