Can be used in multiple ways for saying something is good or attractive, originates in westerly by a good looking kid named Alex sisco
This pasta and meatballs smacks
That girl over there smacks
Drugs...used to be just heroin but it can be anything people use to get high
Tweaker: Where's my Smack?
College Student: I need my Adderall for my test
College students roommate: it's in the cabinet with the rest of your smack
Guy to his friend at the bar: what's up with that girls jaw?
His friend: she's on that smack bro
Dude 1: Ah man, did you know about that mad druggie who died from the overdose?
Dude 2: Must've been Smack.
Derived from the phrase "Smackaroonies", this word is often used as a substitute for the US dollar.
"I just bought some jeans for 20 smacks."
"Direct deposit just hit. 471 smacks right in to my account."
"I'll do it for 10 smacks."