Crack up
Crack up verb - To show mirth with an explosive vocal sound.
Usage example: try not to crack up at your own punch lines—it's funnier if you keep a straight face
Cite this Source
Scream and Crack up. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/crack_up/scream
Crack up & Scream. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/crack_up/scream>.
Scream or Crack up. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/crack_up/scream.
Google Ngram Viewer shows how "crack up" and "scream" have occurred on timeline