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Fungus Infested Freak, one who rips out their hair, scalp becomes overridden with Ring Worm and Lice. Infected individual loses aprox. 50 I.Q. points. Busts ass as much as possible. Thrives off of fecal matter.
Guy walks down the street, witnesses an individual rolling around in the mud ripping out their hair, screaming and ranting about how they did'nt get their pony for christmas as a kid.

Guy: "Man what the fuck is your problem you FIF?!"
by Doc Roc May 21, 2008
11 48
Fif: means to plead the fifth amendment; to not tell something to someone else because of whatever circumstances.

In the superlative, fif can be written as "fizzif"
Example 1: Rick: "Tell me what happened last night with that hot chick!'
James: "fif"

Example 2: "I plead the fif!"

Example 3: "I can tell you that I plead the fizzif"
by Charlie Murphy June 10, 2004
375 157
In French (Eastern Canada), a " fif " is someone who's homosexual or acting like it.
Le féminin de "fif" est "five"
Sti qu'té fif !!!
Té five mon homme !!!
by laurent September 26, 2005
149 133
low-grade marijuana, shwag, middies, etc. "fifth" or "fifty" also acceptable.
"I don't have much money so let's split a bag of fif and roll the L. Be on the float before long"
by Yuri Dadinov October 05, 2011
46 32
short for 50 cent
-Have you seen 50's new video
-Yeah, fif is crazy
by bush_is_pussy January 13, 2011
39 31
The Fifth Amendment.
Uh, I plead the FiF.
by Red Impulse March 05, 2004
86 79
This is a word used when someone else does something stupid. When the person does something stupid, you put your hand on his/her neck and slide it off fast, or if someone does something really stupid you give them an uber fifs, when you include some fingernail in your fifs and that makes it hurt a little.
That kid just hit his head on a plank of wood. Fifs on him
by Harry2317 November 24, 2007
14 11
F.IF = Fart Induced Fit. The mad flailing of arms and nose pinching that happens as soon as a fart is smelt by the person unfortunate enough to be in the room when somebody else farts.
Hey man I did the best fart the other day but my girlfriend had a total F.I.F.

or, on seeing someone's reaction to your fart you can say
"Don't F.I.F out on me now!"
by ruby_wednesday April 09, 2010
5 3