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a kind,sensitive,funny person. She always puts a smile on your face, but at times can be a pain in your ass!! her laugh is contagious and iycis can also very dramatic at times. but you love her anyways
"iycis is nice"
iycis by dhsjsnsns March 16, 2017
OMGICBI you got the job?!
ICBI by reallife June 11, 2006
ICBINB!
noun

1. Abbreviation for a margarine (fake-butter) product, I Can't Believe It's Not Butter!. The stupidest abbreviation (nobody can decipher what the hell ICBINB is unless they're told) for the stupidest product (if you're worried about the calories in butter, don't eat fake butter, just stop eating the damn butter!) in the world.
That dude is spreading ICBINB! onto his baked potato crisp and downing a six-pack of diet Coke...

Flavoured ICBINB! spray? That's gotta be the most ingenious invention since matzo...you can eat it like those sour spray candy things or use it as cologne!
ICBINB! by Travwell December 13, 2005
1: IYABIAB
2: I'd do anything for you <3
IYABIAB by <3!! October 18, 2008

icbigsbtimumoudd lkioaws 

acronym. i can't believe i got so bored that i made up my own urban dictionary definition look karen i'm on a web site
icbigsbtimumoudd lkioaws
it works karen
when something unexpected happens. I CAN'T BELIEVE IT
ICBI I can't ICBI i fell in the snow.
ICBI by SHERIANN January 5, 2008