< sassy >

Raymond: Well, some people have their WAY of doing it.
Me: Don't SASS me!
Raymond: Huh?
Me: Just because I've worked here this long doesn't mean you can start being sassy.
Raymond: How can I be sassy if I don't know what it means?
(proceeds to look up "sassy" in online dictionary)
Raymond: "Impolite..." ?
Me: Sassy.
Raymond: Now YOU'RE being sassy.