I only asked if I could borrow your bike. There's no need to bite my head off!She snaps his head off every time he opens his mouth.
bite (one's) head off
To respond to someone with anger that is often sudden or unprovoked. What's wrong with the boss today? I just tried to ask him a question, and he totally bit my head off!
bite someone's head off
Fig. to speak sharply and with great anger to someone. (Fixed order.) Don't bite my head off! Be patient.I'm very sorry I lost my tempter. I didn't mean to bite your head off.
bite/snap somebody’s ˈhead off
(informal) speak to somebody angrily without good reason: He was only making a suggestion — there’s no need to snap his head off!
bite (someone's) head off
To respond to a comment in an angry or reproachful way.