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2.
nicotine fit. When you havent smoked for so long that you get pissed off at everything.
god, I smoked a pack yesterday, but I havent smoked in 10 hours. Back off bitch, I got a fucking nicfit.
by Zanzibarrr May 28, 2008
 
1.
a contraction of two words;
nic - short form for nicotine
fit - to freak out

when a person is jonesing for a cigarette.
do you have a smoke? I'm having a nic-fit
by Paul J Parkinson March 25, 2005
 
3.
That stupid saying when people need to smoke.
I am a weak bastard I must smoke I am having a nic fit.
by Randy March 15, 2005