snap head off

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snap someone's head off

Fig. to speak very sharply to someone. (Based on snap at someone.) How rude! Don't snap my head off! Mary snapped Ted's head off because he had come in late.
See also: head, off, snap

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!
See also: bite, head, off, snap