1 definition by straightupGsince1989

Top Definition
Someone who rudely interupts a conversation by adding their unwanted two-cents.
Bob: "yo johnny do you know where i can score some dope?"
Random Side Buster: "crack is wack."
Johnny: "listen bitch, ain't nobody ask for your opinion. Take your side buster ass somewhere else."
by straightupGsince1989 December 07, 2008
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