To respond with extreme attitude to an authority figure. Act smart alecky to a request or demand
by bbobk December 10, 2004
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When someone is being stupid and says stupid shit to something awesome you said.
Jorge- "I'm totally gonna be the president."

Mac- "No, you're Mexican."

Jorge- "How about I don't want any of your GODDAMN BACKSASS?!"
by TreyyyCasen March 25, 2010
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When someone makes a comment, and an outsider makes a snarky/negative remark for the sake of being a dick.

JEFF
I don't appreciate your BackSass, Jeff.
by therealbacksass August 15, 2017
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