Definition of "let someone have it" in English

Verb

1. To attack someone with great force.

   • At dawn we really let 'em have it with a 30 minute artillery barrage.

2. To verbally assail someone.

   • When I came home, he let me have it for wrecking the car.

3. Used other than figuratively or idiomatically: see let,‎ have,‎ it.

   • When he showed me that he'd gotten the insurance certificate for our old car, I decided to let him have it.