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1.
the flash of hot up your back when you get mad
he was walking around with a hot back all day
by jenikaj January 19, 2009
 
2.
noun, a girl who is hot from the back and ugly from the front.
I thought I saw a hot bitch at the mall but she was just a hot-back.
by Igor Bitchacov December 06, 2005
 
3.
When you think a girl looks very fine from the back, only to find out shes disgusting from the front.
Guy 1: DAYUM, check out that fine piece a' ass.

Guy 2: HELL YEAH!

(girl turns around)

Guy 1: AH SHIT shes a hot back, thats gross.

Guy 2: Yeah man her nose looks like a dick.
by YONUMBA1HOMEBOY July 05, 2009