No Name Fan. Opposite of Big Name Fan.
"Why are you bothering talking to her? She's a NNF!"
by Beegirl August 17, 2006
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The sound an awkward turtle makes, particularly during mating season. It is used to indicate sheer happiness or as a tone to imply sex.

*Note: An 'awkward turtle' is a term here used to describe someone who as never had sex: a virgin.
"Nnf nnf nnf nnf nnf."

Romeo: "I love thee, Juliet."
Juliet: "And I love thee, Romeo."
Romeo: "Nnf."
by PeteZah May 30, 2011
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