Acronym standing for "Jewish Bitch." Though the word "bitch" is used, the term is gender neutral. Used mainly to refer to the aristocratic snobs from the northeast.
Yo, man, that sorority chick is such a freaking JB.
Substitute for the sexual innuendo to ram. St. Louis is the home of the Rams...
Yo man, would you St. Louis that?
© 1999-2015 Urban Dictionary ®
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