Fuck Knuckle 

The painful bend in hard dick caused by pulling out too far and slamming your cock into the taint.

I was railing that bitch so hard I gave myself a fuck knuckle.

Fuck Knuckle by XxxKevinxxX August 19, 2007

Kansas Knuckle Twister 

To rapidly twist your wrist while fisting someone's ass. With enough kansas knuckle twisters an anus will begin to resemble that of the goatse.cx guy.

Becky's anus expanded to 3 times its orginal size after an intensive kansas knuckle twister session.

Kansas Knuckle Twister by your mother lolz June 19, 2008

Pork Knuckle 

A Reach-around Hand-job from a homeless man

"I would have been here sooner, but I got a pork knuckle on the subway"

Pork Knuckle by Timothy Dundervaal January 21, 2013

Pig Knuckle

The male equlivant of camel toe. When pants are worn too high and tight the male genetils are outlined resembling a pig's knuckle.

"Hey Jimmy. You gotta get some new shorts. Your pig knuckle was in my face the whole workout."

Pig Knuckle by BSEdge January 15, 2009

fudge knuckle 

When a sexual partner is fisting the other partner in the anus, and fecal matter, or more appropriately, "fudge" is left on the knuckles of the fister.

"I don't much care for fisting Lucy because I always get fudge knuckled."

fudge knuckle by NJ Pelli September 26, 2006

pig knuckle

when a womans bearded clam get hungry

silviu touched her ferocious pig knuckle

pig knuckle by tom ireland March 8, 2007

knucklebabies 

n. knucklebabies is the outcome a male gets after he roughs up his suspect (masterbates) and dosent release his sperm into a sock or something and it is all over the back of his hand.

I got home late lastnight and my wife was asleep,so i went to the computer and racked out a batch of knucklebabies.

knucklebabies by richard bellamy March 8, 2008