Crack-up Definition
crackup
verb
(idiomatic) To cause to laugh heartily.
The joke about the nuns in the bath cracked me up.
Wiktionary
(intransitive, idiomatic) To become insane; to suffer a mental breakdown.
She got through the war, but cracked up when her sister died.
Wiktionary
Synonyms:
- break up
- crock up
- collapse
- crack
- roll-in-the-aisles
- burst-out-laughing
- howl
- roar
- lose-it
- come apart at the seams
- go off the deep end
- go off one's rocker
- blow one's mind
- go out of one's mind
- freak-out
Antonyms:
- be calm
