bite someone's head off
US /baɪt ˈsʌm.wʌnz hɛd ɔf/
UK /baɪt ˈsʌm.wʌnz hɛd ɔf/
1.
to respond to someone in a sudden, angry way
:
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I just asked a simple question, and she immediately bit my head off.
•
Don't bite my head off, I'm just trying to help.