bn:00083997v
Verb Concept
EN
crack up  crack  crock up  break up  collapse
Definitions
Examples
Relations
Sources
Links
EN
To become insane; to suffer a mental breakdown. Wiktionary
To become insane. Wiktionary (translation)
EN
She got through the war, but cracked up when her sister died. Wiktionary
WordNet 3.0 & Open English WordNet
Wiktionary