Knuckle Box 

(N.) To be a royal screw up. To be the one to totally fuck things up for others and never be held accountable. To be a slacker and never get fired. One who is void of all intelligence to the point where breathing and blinking stress mental processing speeds.

(V.) Knuckle Boxing: The result of def: (N.). To screw everything up as a knucklebox would. Being unable to identify responsibilities and destroy all confidence in ability. To bitch up the works.

I can't believe B. Kieth knuckle boxed production again!

Bill, you knuckle box! Stop knuckle boxin this shit, BITCH!

Your bitch-ass knuckle box attitude is WEAK!

Knuckle Box by jebediahfloyd October 6, 2006

Bare knuckle boxing 

Bare Knuckle boxing is a slang term for participating in sex without using any protection, resulting in skin on skin contact. Similar to boxing without gloves.

Hey Chandler you really should use a condom bare knuckle boxing can lead to pregnancy.

Bare knuckle boxing by laysiege January 8, 2010

Knucklebob 

Fingering your bootyhole or the bootyhole of another with your middle finger up to the third knuckle.

Beth was squirming last night when I did a little knucklebob.

I can’t shit today. I knucklebobbed myself last night.

Knucklebob by Eaton Holgoode October 6, 2017

knucklebone 

Another word for fisting

Jeff: Maria has let every guy in our grade knucklebone her

George: What a slut

knucklebone by LeManssssssss3 October 15, 2014

Knucklebomb 

Anal Fisting

Sebastian could really feel Tristan's fist in his ass. As he came, he thought this was the best knucklebomb he ever had.

Knucklebomb by Fnspidey August 31, 2017

Knuckleboarding 

A term for the action of accidentally dragging your knuckles across the top of the toilet water after leaving a poop.

The bathroom had a small toilet in it so when I went to wipe I made a few waves while I was knuckleboarding.

Knuckleboarding by Lyrlyrplnts4hire February 21, 2019