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1.
Exhoes - to expose an ex-girlfriends dirty pictures or home made movies on websites such as Facebook, YouTube , MySpace, etc. 
My girl friend cheated on me I'm breaking up with her and going to exhoes her
by Second2wonun February 04, 2012
 
2.
An ex girlfriend who cheated.
My exho sleeps with everything.
by youngfreak4life December 18, 2008