
Crack up
Laughter Context
Used after something is funny. It suggests uncontrollable laughter.

The comedian’s pun was so good, the audience cracked up.
Figurative Sense
Doesn't always mean literal laughter—it can describe something very funny.

That meme you sent me really cracked me up!
Informal Setting
Best used in casual conversations, not formal situations.

After the funny story, even my boss cracked up.
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