Englishbackchat
noun
British, informal
don't put up with any backchat from them:
impudence, impertinence, cheek, cheekiness, effrontery, sauciness, pertness, insolence, rudeness, rude retorts;
answering back, talking back;
informal mouth, lip;
Scottish, informal snash;
North American, informal sassiness, sass, smart mouth, back talk;
rare malapertness, contumely, procacity.
backchat Oxford Dictionary of English