Английский словарь американских идиом - jump on

or jump all over or land on or land all over {v. phr.}, {informal} To scold; criticize; blame. * /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./ Compare: FIND FAULT, GET ON, LAY OUT(7).