look up any word, like the eiffel tower:
 
2.
back talk, woffin'or talkin' trash
"Give me any more of that back-sass and I'll kick your ass."
by hoobaju May 02, 2005
 
1.
To respond with extreme attitude to an authority figure. Act smart alecky to a request or demand
Yes SIR, right away SIR, anything for you SIR
by bbobk December 10, 2004
 
3.
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