Definitions for crack up
This page provides all possible meanings and translations of the word crack up
a mental or physical breakdown
crack up, crack, crock up, break up, collapse(verb)
suffer a nervous breakdown
break up, crack up(verb)
Kernerman English Learner's Dictionary
to laugh hard or make laugh hard
We were all cracking up.; You crack me up!
To laugh heartily.
To cause to laugh heartily
To become insane; to suffer a mental breakdown.
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