crack up Rate this phrase:(4.00 / 3 votes)
To laugh heartily.

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

Additional definitions for 'crack up':

crack upTo cause to laugh heartily.
crack upTo become insane; to suffer a mental breakdown.
See them all »


Find a translation for the crack up phrase in other languages:

Select another language:

Nearby phrases

Some more phrases from our dictionary similiar to crack up

Discuss this crack up phrase with the community:


Use the citation below to add this crack up definition to your bibliography:


"crack up." STANDS4 LLC, 2018. Web. 22 Sep. 2018. <>.

We need you!

Help us build the largest human-edited phrases collection on the web!

Thanks for your vote! We truly appreciate your support.