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Define Iff Meaning

Iff
annoying, irritating, brutish slang

oh ma dayz stacey’s moving iff
By Adelice
Iff
I'm Fucked Foundation.....Anyone who seems to "Fuck" things up.

Khaliq Yularnis is vice President to the IFF President Ronnie off Jersey Shore.
By Tonye
Iff
Internet friends forever.

Oh draupnir, can we please be iff?
By Eda
IFF
I'm Fucked Foundation

Ronnie is president of the IFF
By Lucinda
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 Sianna
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 Ettie
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 Felisha
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 Nancy
IFF
acronym of I Feel Fabulous

I put on a rainbow dress and glitter eyeshadow today, IFF
By Leoline
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 Fannie