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1.
IA
"Insha Allah" which means "If God Wills it or God Willing" in Arabic
Yeah, I'm on my way. IA
by Danja Dan 9936 May 26, 2009
 
2.
ia
I agree, often used amongst bloggers.
Short for iawtc or iawtp.
Person 1: That's so lame!
Person 2: ia!
by Sky J! December 29, 2007
 
3.
"Iä" is a word used to address eldritch Lovecraftian gods of supreme cosmic evil. Probably the (currently) most common use of this greeting is "Iä! Iä! Cthulhu fhtagn!" Which basically translates to "Hail! Hail! Cthulhu sleeps!" "Iä!" is pronounced thusly: ee-AY! (same phoenetic vowel combination as "eat cake.") This word can also be used to describe something suitably badass, or perhaps evil in a hokey sort of way. It's quite versatile.
Have you seen that new Pope? When I see him, I don't know whether to cross myself or to cry out Iä!
by V1R4L June 26, 2010
 
4.
i'A
insha'Allah, the Arabic language expression meaning "God willing," is used as a qualifier for all planned future actions to remind the speaker and listener that nobody can positively know what the future will bring, but rather, all depends on the will of God.
See you tomorrow, i'A!
---
A: "Are you coming tonight?"
B: "i'A."
---
i'A the next project will be easier.
by zahid@tehSBZ0rz December 20, 2009
 
5.
I.A
Internal Affairs, a branch of a police force that investigates happenings in the Police. Generally scorned by their comrades and viewed as traitors.
This is too big for us, you need to bring this up to I.A!
by DoctorWeeTodd June 11, 2005
 
6.
IA
A vocaloid who is in her teens her voice source is Lia(Japanese singer) .
She sings most of the Kagerou Project by Jin(Shizen No Teki-P)
Friend: hey whats that
You: this is IA
Friend: dude she's pretty
You: you should hear her sing
by Ninja Goku182 September 18, 2013
 
7.
Stands for 'I'm Amazing'

Said when you've done something great, or achieved some kind of success. Usually to do with your job.

Usually with a sense of self-aware arrogance.

see also Y.A. – You're Amazing – a reciprocal to I.A
I just exceeded my targets for this month and I've still got 3 weeks to go – I.A.!
by amazingness82 June 03, 2010