Sentence examples for Crack up from inspiring English sources

"crack up" is a valid and commonly used phrase in written English
It means to break into uncontrollable laughter or to experience a sudden emotional breakdown. Examples: - The comedian's jokes were so hilarious that the entire audience cracked up. - She couldn't handle the stress of her job anymore and eventually cracked up. - The kids cracked up when they saw their cat chasing its own tail. - After a long day at work, I just wanted to relax and watch a movie that would make me crack up.