to crack up

listen to the pronunciation of to crack up
English - English
To become insane; to suffer a mental breakdown

She got through the war, but cracked up when her sister died.

To cause to laugh heartily

The joke about the nuns in the bath cracked me up.

To laugh heartily

It was hilarious. We were cracking up the whole time.

suffer a nervous breakdown
rhapsodize about
rhapsodize about suffer a nervous breakdown
laugh unrestrainedly
If someone cracks up, they are under such a lot of emotional strain that they become mentally ill. She would have cracked up if she hadn't allowed herself some fun
{f} collapse; crash; laugh; cause another to laugh
If you crack up or if someone or something cracks you up, you laugh a lot. She told stories that cracked me up and I swore to write them down so you could enjoy them too We all just cracked up laughing
to crack up
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