General
crack up
What does crack up mean?
To burst out laughing, or to describe something very funny.
"That joke was a crack up."
Origin
Colloquial Australasian usage of 'crack up' for uncontrollable laughter.
Frequently asked questions
What does 'crack up' mean?
It means to burst out laughing, or to describe something very funny.
How do you use 'crack up' in a sentence?
You might say 'that joke was a crack up' to mean it was hilarious.
Is 'crack up' Australian slang?
It's common in colloquial Australasian speech for uncontrollable laughter, though used more widely too.
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