Top Definition
Heroin. Most frequently used in the 60s.
When the smack begins to flow, I really don't care anymore...
von Lurhstaap 28. Dezember 2003
gossip, talkin shit about one another,
That girls talkin smack about everyone!
von liv 20. März 2005
smack is:
a) heroin
b) to slap a bitch in a rude way
c) the noodles (smack ramen)
d) vagina, you dip shit
a) dude i need to stop using the smack.
b) i smacked that bitch.
c) i ate all your smack
d) i fucked her and she had a tight ass smack.
von b790790d 25. März 2005
Heroin.

Also known as Dragon, Dope, Heron, Herone, Hero, Hera, H, Big H, White, China White, White Nurse, White Lady, White Horse, White Girl, White Boy, White Stuff, Boy, He, Black, Black Tar, Black Pearl, Black Stuff, Black Eagle, Brown, Brown Crystal, Brown Sugar, Brown Tape, Brown Rhine, Chiba, Chiva, Chieva, Mexican Brown, Mexican Mud, Mexican Horse, Junk, Tar, Snow, Snowball, Scag, Scat, Sack, Skunk, Number 3, Number 4, Number 8, Bombita, Brea, Blanco, Bonita, Caballo, Calbo, Carga, Carne, Chapopote, Chatarra, Chicle, Cocofan, Gato, Heroina, La Buena, La Chiva, Polvo, Tecata, Tigre, Tigre Blanco, Tigre del Norte, Vidrio and Zoquete.
Snuffaluffagus: "I'm sick, Bird. I need some smack, Bird."

- Dave Chappelle
von ROCKintheCDA 6. November 2010
disrespectful comments made toward or about someone

all through the interview, all he did was talk smack about A-Rod...not cool!

"don't lay any of your smack on ME, flip!"
von ColdOne 14. November 2005
Money. One (1) dollar. Can be coin, bills or a combination of both.
I just dropped 50 smacks on some new headphones.
von umbepo 26. September 2005
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