1 definition by Natasha Barsby

Novelty Ugly Friend.

The friend who is less attractive than his or her friend. Usually employed to appear more attractive by comparison. Tend to be a hassle during chatting-up of girl or guy.
"Dude, I couldnt get near Amy tonight, she had her NUF with her, right bummer!"
by Natasha Barsby December 25, 2007
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