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2.
One who is full of sass.
Ally: "Say that one more time, and i'll kick you in the face."
Syd: "WOAH! Ally is a real sassbag!"
by bobbylite123456789009876543211 September 29, 2010
 
1.
One who is full of "sass", and never-ending comebacks. Happens frequently with undisciplined children, always with a smart remark.
Dude, you never shut up. You're a sass-bag bro.
by Chris Magoo 2 February 21, 2011