A stump left after an amputation, often half of a finger.
Originated by some random teenagers with nothing better to do.
*holds up hand* OMG! look at my yib!
by w00tster January 3, 2005
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noun: 1. a short person
2. a dumb person
3. a slut
OMG!!! You are such a yib!!
by Plogg June 4, 2004
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Acronym for "Yeah, I'm being sarcastic."
Dad: I wish I was as cool as you when I was in High School.

Kid: Really?

Dad: YIBS
by DCPete January 5, 2010
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Acronym for "Yeah, I bet." Used to shut down a person you don't care for and don't want to speak with.
Bro: Dude man bro, I got so fuckin' tanked last night!

Guy: "YIB."
by AltBr0 April 12, 2011
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A short form for a clothing line from Singapore called 'Youths In Balaclava' that sells sick treads.
Person 1: Hey! Cool shirt dude! Where did you get it?
Person 2: It's from YIB!
by Hardcore Pussy Slayer May 1, 2016
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Short for Young Israel Booster - a particular sort of yuppie, often from Eastern USA or Tel Aviv who spends time on the Internet correcting people's wrongful impressions of Israel.
The Yibs flooded the YouTube video's comments pages with assertions that only Israel puts so much effort into reducing civilian casualties through precision strikes and anyone who says otherwise just doesn't understand what it's like to live in constantly threatened Israel.
by Beagle17 January 11, 2009
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