IFF

I'm Fucked Foundation

Ronnie is president of the IFF

by JereseyShoreBiotch August 6, 2010

IFF

in Mathematics and Physics IFF stands for " if and only if ".

For P(x), IFF P(a)=0, then (x-a) is a factor of P(x).

by arysmart May 19, 2013

Iff

i'm fucked foundation- I.F.F

...derived from the G.F.F, Grenade Free Foundation

"Ronny is officially part of the IFF" -The situation

by lovelybuttons45 August 7, 2010

IFF

An organization know as the I'm Fucked Foundation.
Ronnie Magro is currently president, CEO, and founder of this establishment by stuffing his face in a cocktail waitress' tits and then making out with two other chicks.

I joined the IFF today by fucking my best friend's sister.

by icedemon25 September 4, 2010

IFF

This is the IM FUCKED FOUNDATION. you join this club when nothing goes your way or you feel as though the world is ganging up on you

i just told my girlfriend i cheated on her, i just became apart of the IFF.

by ARAE1989 August 7, 2010

Iff

A specialized form of if: means "If and only if". Because it's pronounced the same as "if", it's mainly a written word.

Iff that dosen't work, drop me a line.

by Deuce on Guard August 14, 2003

IFF

Identification: Friend or Foe. A system used by the military to distinguish between friendlies and hostiles.

The IFF tagged the aircraft as friendly.

by Ben Roberts May 14, 2005