bite someone's head off(redirected from snap someone's head off)
bite someone's head off
Also, snap someone's head off. Scold or speak very angrily to someone, as in Ask her to step down from the board? She'd bite my head off! The first expression, dating from the mid-1900s, replaced the much earlier bite someone's nose off (16th century); the variant was first recorded in 1886.
bite someone's head offor
snap someone's head offINFORMAL
If someone bites your head off or snaps your head off, they speak to you in an unpleasant, angry way, because they are annoyed about something. And don't bite my head off just because you're fed up! I don't know what's wrong with Julia but she snapped my head off just now.