the act of answering back, esp impudently
WordReference Random House Unabridged Dictionary of American English © 2025
back•chat
(bak′chat′),USA pronunciation n. [Informal.]
- repartee.
- back talk.
- back2 + chat1 1895–1900
Collins Concise English Dictionary © HarperCollins Publishers::
'backchat' also found in these entries (note: many are not synonyms or translations):