MeanOF

crack up

- verb (v)

Meaning: break down mentally

Synonyms: become demented become psychotic blow a fuse collapse come apart at seams decline derange deteriorate fail flip out freak out go bonkers go crazy go nuts go off deep end go off rocker go out of mind go to pieces have breakdown schizz out sicken
Antonyms: be calm

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.