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2.
Korean Word showing frustration and exhaustion. See "Cham nah" or "Seh Sang Eh...(showing awe)"
Stupid kid: Wait.. So x + 3 = 5
Korean kids: yeah...
Stupid Kid: SO x = 5!
Korean Kid- what?! Aigoo.. You idiot..
by Brian Kim (Chan Young) December 18, 2004
 
1.
something to say while sighing in korean. kinda like "aw man" also said when one wants to sigh but cant
old lady: aigoo, i have only a few years ahead of me

teenager: aigoo, i have so much homework

darwin: aigoo, i ran out of ramen
by Darwin Chang April 06, 2006
 
3.
A Korean exclamation. Means something similar to 'geez' or 'omg'. Mostly used as 'geez."
Slash: Hey what's your phone number. I checked "Torch" and it was under on my cell phone.
Torch: Uh, did you check under "aaaaaaaaaaaaaaaaaa Torch?"
Slash: ...Whoops
Torch: Aigoo...
by The Mr Needles Experience September 25, 2006