do a dump on someone/something
do a dump on (someone or something)
To criticize one harshly and undeservedly, often due to frustration. I know you're stressed about the wedding, but why are you doing a dump on me? I didn't intentionally bring the wrong box of place cards!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
do a dump on someone/somethingand dump all over someone/something and dump on someone/something
tv. to criticize someone or something; to destroy someone or something. (From take a dump, to defecate.) That rotten jerk really did a dump on my car. Look at that fender! She did a dump all over my report. Why do I bother.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.