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2.
A particularly sassy individual
Ashley is such a sassass. She's always saying things like "I don't wanna say something!" when you ask her to say something.
by Poohead2 May 03, 2010
 
1.
1. Noun. Someone who is very sassy and a badass.

2. Adjective. Used to describe something sassy and badass.
1. 'Whoah, you're such a sassass!'

2. 'Whoah, that was so sassass!'
by Samsquatch July 23, 2013