Top Definition
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.
ayon kay SomethingsomethingClever ika-09 ng Hulyo, 2011
Icebergs Cause Boats to Sink
Bartholomew: Yo dog, Zebulon's chill
Chad: Forreal bro?
Bartholomew: idk man, do ICBS?
Chad: Truuu fam
ayon kay eyeyey3200 ika-24 ng Hulyo, 2015
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!"
ayon kay TWHIT95 ika-26 ng Disyembre, 2011
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"
ayon kay Jockin JC ika-17 ng Nobyembre, 2011
1. I could really use an ICB right now.

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

beer reeb
ayon kay jdubclt ika-02 ng Hulyo, 2009
I Call Bull Shit. "ICBS" is a messageboarding post-complet.
"Look at this deer on YouTube. The car hit it, and it went into orbit!"

"ICBS. When a car hits a deer, the car loses."
ayon kay Aldizzert ika-21 ng Nobyembre, 2007
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!"
ayon kay Obsessed77 ika-21 ng Hulyo, 2005

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