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1.
Pronounced version of "STBY", or sucks to be you.
Joe: "Dayyum, some joker just nicked my wallet!"
Jim: "Stibby."
by pterodactyltamer July 10, 2008
 
2.
1.Adj. Someone who is stingy and rude. You can often find stibbies trying to get something from you when they were just being an ass hole you you.

2.Adj. Bastard.
Friend 1:"Hey fuck you man, just let me play your X Box."

Friend 2: "Fuck you, stibby bastard.
by GanjaMan9836 October 17, 2009