whack 

Verb: to have sex with, to fuck.
(East) Belfast slang, often an insensitive and vulgar synonym of love-making.

"Here mate, you whack that dirt last night?"

whack by Eskamo January 6, 2008

Whack 

1. Verb; To smack or punch someone.

2. Noun; Meaning lame or illegitimate.

3. To assassinate someone.

1. The boy whacked his friend in the face after his friend insulted his mother.

2. That concert we went to yesterday was so whack.

3. The mafia was going to whack him unless he paid his debts to them.

Whack by Striker122 November 29, 2009

whack 

adjective: of mixed race; specifically white and black as opposed to black and white.

Apollo said, "I'm not bi-racial. I'm whack!"

whack by PapaRock864 July 13, 2010

Whack 

A term used to describe white people who act gangster; to be used in place of "wigger"

Wow, look at that whack over there. He looks like a clown. doesn't he know that white guys can't pull that off?

Whack by Ejfish August 2, 2010

Whack 

To take a hit, or one inhalation of marijuana.

(Dude #1) Hey man, ya got any whackage?

(Dude #2 hesitantly) Uuum...yeah...a little bit.

(Dude #1) Can I get a whack?

(Dude #2 ) Yeah, sure man.. (damn..this guy never has any weed)

Whack by MrPeepersNJ December 23, 2010

whack 

adj. A person who has an african-american parent as well as a caucasian parent.

adj. to describe a person with diverse behavioral traits

Also combination of white and black (wh-ack)

Johnny: Hey Frank, look at that hottie.

Frank: I'd tap the square root of that ass.

Johnny: Damn Frank, you whack.

whack by PositiveConnotation October 31, 2011

Whack 

Gangster or mobster slang for "kill".

I'm going to Whack you!

Whack by DexMansell June 30, 2011