It means I can't breathe (when you're laughing at something so hysterically you can barely say anything to the point of you almost can't breathe because it's so funny".
Read the frickin' definition for icb. I don't have a cool example.
by SomethingsomethingClever July 09, 2011
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acronym , meaning "i can't believe".
icb im too lazy to come up with an example. oh wait---
by JustToucan March 16, 2017
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Meaning "Ice Cold Blowjob"
Originally founded at a Grand Ledge Wrestling practice. Now used as the name for a badass gang consisting of one wrestler (wrastler), one hardass and one guy nicknamed asshole.
"ICB rollout!"
"ICB get the fuck out of the car!"
"ICB gets bitches!"
by TWHIT95 December 26, 2011
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1. I could really use an ICB right now.

2. Can we get a bucket of ICB's please?

beer reeb
by jdubclt July 02, 2009
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acronym for I Call Bullshit. Used when someone you know is telling a blatant lie or exaggeration of something.
Brett: "Yeah, I made $7,500 last week and am slated to make double that doing my next assignment with Todd. It's totally legit, dude."

John: "Dude, you ride on the back of a garbage truck and Todd is your driver."

Brett: "You're just jealous."

John: "ICB"
by Jockin JC November 17, 2011
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Imaginary Celebrity Boyfriend - commonly used by fangirls to express who their favourite celebrity is, and that the specified celeb is their personal Imaginary Celebrity Boyfriend, or ICB.
"Omigod! *insert chosen stars name here*?! He's totally my ICB!"
by Obsessed77 July 21, 2005
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Insane Cock Brother. An individual with genitalia of an excessive level, almost to the point of shocking. Words usually used to describe an ICB include omg and wtf.
"Dude, it's almost 9 inches?"
"Yeah, I'm a real ICB."
by Incisions January 26, 2007
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