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1.
An acronym standing for I Fly Into A Rage I.F.I.A.R

Thought up by a bunch of computer nerds and a cat working in an house that's really an office
Those computer nerds will scream "IFIAR" when they see this :P
by The Aura March 20, 2003
 
2.
I Fly Into A Rage
What do you mean no? IFIAR!
by Chien March 20, 2003