A person who lays their head upon another's shoulders a bit too much, and uses the word Bitch unnecessarily
Guy 1: Dude did that guy just lay his head on your shoulder?
Guy 2: Yeah he's a real J-Back
by CYXD November 22, 2017
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if somebody says this, your about to get slapped physically, or its before someone named J-Capp starts to rap
by Creator of bimjad April 8, 2021
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A term used to describe a flat-assed female. Usually promiscious, trashy, loud, annoying and obnoxious.
-Ugh! Man did you see that chick?
-Yeah she's a real J-back..
by greenleaf44 March 10, 2010
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