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1.
Biting your nails down, on hands and/or toes, because you are so panicked about something.
I gave myself a panicure last night after me and BJ's condom broke and I forgot my birth control.
by bj2010 November 14, 2010
 
2.
When your freaking out and someone slaps you.
The scene in Airplane, where that woman is freaking out and Leslie Nielsen smacks her. "Get a hold of yourself!" (he gave her the panicure)
by Headcircus January 13, 2009
 
3.
What happens when a woman from New Jersey gets angry in a nail salon
Jenny: Why's your hair all fucked up? Didn't you just get back from the salon?
Karina: This Jersey whore started a panicure and all hell broke loose.
by cox'n'dix October 16, 2010