- impudent or disrespectful back talk: Both parents refuse to take any sass from their kids.
verb (used with object)
- to answer back in an impudent manner: Don’t sass your mother.
- insolent or impudent talk or behaviour
- to talk or answer back in such a way
n.“impudence,” 1835, back-formation from sassy. The verb is first recorded 1856, from the noun. Related: Sassed; sassing. Sass (n.) as a variant of sauce is attested from 1775.