jump on

jump on или jump all over или land on или land all over  {v. phr.},  {informal}

Ругать; критиковать; обвинять.

Tom's boss jumped all over Tom because he made a careless mistake.

Janice landed on Robert for dressing carelessly for their date.

"I don't know why Bill is always jumping on me; I just don't understand him," said Bob.

Ср.: FIND FAULT, GET ON, LAY OUT (7).