To utter an impertinent rejoinder
an impudent or insolent rejoinder
To give flavor or relish to
(Informal) Disrespectful or insolent replies
The definition of a lip is either the top or bottom edges of the mouth, something that resembles these, or an outer or upper edge or rim.
A spokesperson; a mouthpiece:
Find another word for sass. In this page you can discover 14 synonyms, antonyms, idiomatic expressions, and related words for sass, like: words, talk up, sassing, talk back, sauce, give someone lip, resist, backtalk, back talk, lip and mouth.