A slang term used to describe someone who is either lousy, frustrating, inadequate, arrogant, or just downright wack.
Someone can also âjack youâ 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.
Iâm a jack bro, I shouldâve just went to the movies with her.
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