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1. An exclamatory term used to describe surprise, excitement, anger, or pain.

2. Used to describe a state of unpleasantness or discomfort.

Abbreviated FNP and pronounced "effinpee" as an abbreviation.
1. (Stubs toe) "Ahh fingernailpiss that hurt!"
2. "Fingernailpiss, you scared me!"
3. "She looks like fingernailpiss."
4. "FNP! I forgot to turn in that homework assignment!"
by Anthony Fleck April 01, 2008
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