beat/scare the daylights out of somebody

beat/scare the (living) ˈdaylights out of somebody

(informal) hit somebody/something very hard and repeatedly; frighten somebody very much: He said if I did it again he’d beat the living daylights out of me!I don’t think I’ll go to see that new horror film at the cinema. Jane said it scared the daylights out of her.
See also: beat, daylight, of, out, scare, somebody