bite back phrasal verb (
see also bite)
1. bite something ↔ back to stop yourself from saying or showing what you really think:
Tamar bit back the retort that sprang to her lips.2. to react strongly and angrily to something
bite back at
Determined to bite back at car thieves, he wired his car to an electric fence. [TahlilGaran] Dictionary of Contemporary English ▲