When a girl makes herself seem more attractive by hanging around with ugly and/or fat "friends".
Bob: Man, I thought that chick was so hot, but without her friends, she's fugly.

Joe: Yeah man, she's HBP - Hot By Proxy.
by Famek July 4, 2009
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Being "hot", attractive, or sexy just because of a race
Bob: "Check out my date... you think she's hot?"
Tom: "Dude, she's Asian!! She's HBP - hot by proxy!"
by pussy-cat August 10, 2008
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