Smack 

To hit, usually with one's hand

Roger: I'm going to smack you in the face!

Smack by gbiche May 4, 2006

Smack 

Slang for Herion, originates from the sound of the herion user prepping veins for injection.

Merdeith is smacking her arm to prep for the injection of smack.

Smack by Antonio Xias Georgé September 15, 2018

Smack 

1. To kiss.
2. To chew gum LOUDLY.
3. To lick your lips after eating something sweet.

1. I love it when he smacks my lips.
2. She sits at her desk smacking her gum and bored outta her mind.
3. She tastes lip-smacking good.

Smack by mamalonglegs December 23, 2011

Smack 

1. Smack Used to mean Herion.

2. Now espically in DC Smack means to talk to someone, like them, and think their cute, you wanna go out with them.

1. I heared he shoot that smack
2. That girl is fine, I'm tryna go smack

Smack by Prec2686 September 6, 2010

Smack 

Very,Very, Ugly

Congrats, your Girlfriend is smack. Hope you're happy,

Smack by MissCherryDoll December 2, 2010

Smack  

Verb, referring to the act of thizzin, or popping an ecstasy pill. Derrived from the moment when the Ecstacy comes into affect, it feels like you were just smacked in the face.

Hey Hayley are we going to smack on friday?

or

Dude i was so smacked at that party!

Smack by How_i_love_montana May 13, 2008

Smack 

To try to holla at a girl, not caring if you get carried our.

Im going smack at all these bitchs tonight at the club.

Smack by D. J. Lewis June 5, 2009