dump on

Verb

 * 1)  To finish a romantic relationship with (someone).
 * 2)  To complain to (someone) extensively; to (figuratively) transfer one's problems to (someone) by complaining to them.
 * I came home and dumped on him about everything that was going on at work.
 * 1)  To treat (someone) badly.
 * 1)  To treat (someone) badly.