knuck 

To pull back the trigger of a gun or object and thrust it forward making a motion as if to shoot somone.

Trying to make him afraid she knucked her gun.

knuck by LaxxxLa69 December 3, 2006

Knuck 

(Noun) The piece of fecal matter left on the tip of the penis after one engages in anal sex

After Erik was done with Timmy he noticed a Knuck on his penis

Knuck by Gwelf August 15, 2006

Knuck 

To Get Ass Wasted (a.k.a. Being Unbearably Drunk)

Yo' We Gonna Get Knuck This Weekend

Knuck by -II- Troj -II- August 16, 2005

knuck 

Knuck means to steal.

"I admit that I knuck your toilet-roll -- here, have it back..."

knuck by Brian Coney April 9, 2008

Knuck 

1) An alternative to first base that is used mostly by conservative Christians and, rarely, Zoroastrians. This act is done by a couple interlocking knuckles and thrusting their arms back and forth (Noun)
2)Knucka (Noun)
3)Knucking (Verb)
4)Knuckable (Adjective)

"Sammie thought he was being all sly, but I saw him knucking with his girl before 4th period"

Knuck by Jookill4 June 12, 2008

knuck 

1). vt. to knuck is to shit on the walls of your neighbor's dog house.

2). to knuck can also mean that doing things can get you to do nice things.

3). vt. to do things

1). Hey, I knucked on my neighbor's and they were pissed

2). Knuck , bitch

3). Knuck for me and do nice things

knuck by unblowupable_ii April 14, 2005

knuck 

an extra chunk of something that doesn't belong.

A dead baby attached to someone, not to be confused with a live baby growing, that is not a knuck.

knuck by kim&ellia August 10, 2008