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1.
GYB
George Yaman "Bitch"
Who is that PERFECT specimen?

GYB!!!!!
by hellegyb January 31, 2010
 
2.
GYB
Google Your Brain

Hinting people who forgot widely-know facts of common/cultural knowledge, that they should at least check on/google the fact before babbling about it.
"GYB dammit! France ain't Europe and Mickey Mouse was no religious leader!"
by Mr.Wolf January 25, 2008
 
3.
GYB
"Got Your Back"

(GMB means got my back for when your talking about how someone else has got your back. EX: Chad has GMB man!)
Bob: WATCH OUT!!

Frank: Holy crap!! Thanks man!

Bob: GYB!!
by larry 292929 March 12, 2010