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A slang word meaning: That's not good; not cool; that sucks; sorry for you; bad well-being ; Nah; no thanks ; disagree
Bob: " yo Nate I just got fired from my new job "
Nate: " damn he ain't good "

Bob:"yo Nate want to go to that party tonight?"
Nate: "he ain't good"
by Suavely January 03, 2015
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