To be or become wild, restless, irrational, or insane; to act in such a way. The drivers in this country seem to go completely zonkers if there's even a little bit of snow on the ground. Don't give the kids too much sugar or they'll end up going zonkers! We thought taking our family vacation in a tiny cottage out in the country would be a nice break from city life, but we all went a bit zonkers after a few days.
1. slang Crazy, wild, eccentric, or erratic. (Based on "bonkers.") Wow, that concert was zonkers! I've never gone to such a wild show in my life! The crowd started going zonkers when the team scored the winning touchdown.
2. slang Immoderately or disproportionately enthusiastic, excited, infatuated, etc. People are going absolutely zonkers for the pop star's newest album. I am really zonkers for this one guy in my class, but I don't think he even knows who I am.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
in. to go slightly crazy. I went a little zonkers there for a minute. Sorry.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.