Knuckle dick 

A penis that has "popped" or made a popping sound similar to knuckles popping after being thrusted in too hard, resulting in a bent penis and pain

Dude the other night I was with my girl and went too hard and got a knuckle dick.

Knuckle dick by Dr. F the mad scientist December 22, 2015

Knuckle Dick 

Someone being a complete dumb ass. Not brite. Says repeated dumb remarks.

Dude why did Bob stick his dick in the fuel tank? Hes a complete knuckle dick.

Knuckle Dick by rail-a-bitch February 8, 2009

knuckle-dick

Someone who gets cockpunched all the time.

He walks funny because he is a knuckle-dick.

knuckle-dick by Monkey D November 16, 2003

dick knuckle

Similar to penis wrinkle, it is a term used to describe a useless person. Think about it, how useful would it be for a dick to have a knuckle?

Jimmy - "I ate the rest of your chicken."
Buddy - "What a dick knuckle."

dick knuckle by Stumpie September 20, 2005

Dick Knuckle

Dick Knuckle is when during an erection your penis is bent too far back or forwards and makes a loud pop.

Roxxy was riding my fat cock and leaned too far forward and I got a serious dick knuckle, OUCH!

While masturbating I decided to press down on my penis and I totally gave myself a dick knuckle!

Dick Knuckle by Burks August 10, 2009

Dick Knuckle

Similar to a "Goose Egg", which occurs when a person is hit in the head and a swollen lump appears. The one difference is that this Goose Egg occurs in the genital area rather than the head, forehead, etc.

Person 1: Dude I just got done filming my own Jackass show to put on youtube

Person 2: Really? How'd it go?

Person 1: It was funny, but I ended up getting hit in the balls with a teeter-totter. Now I have dick knuckles, great.

Person 2: Wtf is a dick knuckle?

Dick Knuckle by YourMom'sBoyfriend March 3, 2011

Dick Knuckle

The top and or head of a penis, used to describe a violent verb that involves the top or head of a penis.

Aw man, I zipped my Dick Knuckle up, son of a *****.

Dick Knuckle by chrischin2332 February 18, 2011