1 definition by 202030

A slang term used to describe someone who is either lousy, frustrating, inadequate, arrogant, or just downright wack.

Someone can also “jack you” as in screw you over.
Amir was being such a jack last night, he refused to help me with my homework.

This store is ran by a bunch of jacks, go elsewhere.

You paid way too much for that blender, they jacked you.

I’m a jack bro, I should’ve just went to the movies with her.
by 202030 December 17, 2018
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