Beef Knuckles

When a girl has her pants pulled way up, and you can see the outline of her beef curtain.

Dylan: Did you hear that Hunter fucked Kassie?

Kody: Ewww, she has beef knuckles.

by DildoNelson April 12, 2010

beef knuckle

slang term for boner

I had a beef knuckle in the showers after football

by Brad Hull November 25, 2006

Beef Knuckle

When your balls are stuck in skinny jeans.

Man, I had some serious Beef Knuckle going on in my skinny jeans last night at the show.

by jakha290 October 18, 2019

beef knuckle beat down

to have sex

Remember that girl from biology class? I totally gave her the ol' beef knuckle beat down.

by long strongrod December 8, 2010

knuckle beefing

To violently finger fuck a girl or to ultimately become knuckle deep in her vagina while furiously finger fucking.

Dude! I was knuckle beefing that girl from the party last night so hard.

by blowjobjack December 28, 2019

Knuckle-Beef

A) To fist an asshole. (verb)
B) something that is unpleasant (noun)

"Dude I gave her some serious knuckle-beef last night"

"Man, that test was some major Knuckle-Beef"

by Jomofo September 27, 2012