Top Definition
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."
ayon kay AltBr0 ika-11 ng Abril, 2011
Acronym for "Yeah, I'm being sarcastic."
Dad: I wish I was as cool as you when I was in High School.

Kid: Really?

ayon kay DCPete ika-05 ng Enero, 2010
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!
ayon kay w00tster ika-02 ng Enero, 2005
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.
ayon kay Beagle17 ika-10 ng Enero, 2009
YIB stands for 'Youth In Black'. a gang of 'chavs' dressed in black balaclavas, hoodies and/or tracksuits.
1. he must belong to YIB
ayon kay seeingisbelieving ika-11 ng Pebrero, 2012
acronym for "You Ignorant Bastard"
YIB, look it up in urban dictionary
ayon kay MMoore ika-01 ng Disyembre, 2006
"Yours in Brotherhood"

A way for fraternity brothers to close correspondence with another brother, most often in email.

Possibly an imitation of Scouting's common use of "YiS" for "Yours in Scouting".
Dear John,

We're moving the chapter meeting to 4p this Friday.


ayon kay term3 ika-25 ng Oktubre, 2010

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