back ‧ chat /ˈbæktʃæt/ BrE AmE noun [uncountable] British English informal
a rude reply to someone who is telling you what to do SYN backtalk American English :
None of your backchat – do your homework!
back ‧ chat /ˈbæktʃæt/ BrE AmE noun [uncountable] British English informal
a rude reply to someone who is telling you what to do SYN backtalk American English :
None of your backchat – do your homework!
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012