Definition

Slang for heroin or drugs in general, but also used metaphorically for anything dangerously addictive and self-destructive. If something's 'smack,' it hooks you hard and doesn't let go.

Example Usage

I can't stop reading that webcomic—it's pure smack for my brain.

Source: Urban Dictionary (https://www.urbandictionary.com/define.php?term=smack&defid=6428)

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See “smack” in Corporate Speak, Gen-Z Slang, Pirate Speak, and more.

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