Having financial difficulties.
Guy 1: What's up with that $1.38 you owe me from yesterday?

Guy 2: Damn, you on your knuckles like that, cuz?
by Groucheaux August 2, 2010
Get the on your knuckles mug.
When you see an attractive girl, out of sheer frustration all you can do is bite down on your knuckles.
Mate that bird is bite your knuckles
by Burger_king August 9, 2010
Get the bite your knuckles mug.
Farting or getting raped in the ass by a large shemale.
Dude that one website you sent me to last night was digusting, I didn't know shemales could be Popping your butt knuckle.
by UF Omega September 13, 2011
Get the Popping your butt knuckle mug.
Glaze your knuckles Means when a guy masturbates , Jacks Off Rubs One Out
1) Glaze your knuckles is when a guy masturbates. 2)Scott- I love to glaze my knuckles. 3)Stop glazing your knuckles so much loser.
by Lala Loopsy 1995 December 20, 2017
Get the glaze your knuckles mug.