যেকোনো শব্দ খুঁজুন, যেমনঃ bukkake:
 
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.
লিখেছেন- Sean Piner 30 de সেপ্টেমবার de 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!
লিখেছেন- Skin bone 21 de মে de 2011