1. To give one a lengthy reprimand or lecture. My mom gave me an earful once she heard about my speeding ticket.I gave that kid an earful after he dented my car.
2. To divulge secrets to one. Tim gave me an earful about his relationship this afternoon, and it doesn't sound good. I think he's going to break up with Mark.
give someone an earful
1. tv. to scold someone. Sally gave Sam an earful for the way he treated Mary.
2. tv. to tell someone surprising secrets. Willy gave Sally an earful about Todd’s tax problems.