What does the word wack mean in slang?

"Wack" in slang means bad, uncool, or not good. It's a negative term used to describe something that is:

* Unstylish: "Those shoes are wack!"

* Low quality: "That movie was wack."

* Boring or uninspiring: "The party was wack."

* Unoriginal: "Your joke was so wack."

Origin and Usage:

The origin of "wack" as slang is unclear, but it's been used in Black American Vernacular English (AAVE) since the 1970s. It's also become widely adopted in mainstream American slang.

Similar words:

* Lame: A synonym for "wack"

* Trash: A more aggressive way of saying "wack"

* Awful: A more formal way of saying "wack"

* Crap: A more informal way of saying "wack"

Examples:

* "That new album is wack."

* "Your dance moves are totally wack."

* "The food at that restaurant is wack."

Note: While "wack" is generally used in a negative way, it can sometimes be used playfully or ironically.