Crack up
Crack up verb - To declare enthusiastic approval of.
Both terms in one sentence
- This causes Dan and Laurie to crack up, and then stop as they unconvincingly agree that it's really not funny.
Source: Hit Me, Dammit! -
When something's actually funny he has to really hold back to not completely crack up.
Source: The Hyena - In December of 2014, Mike went on an unprecidented run of funny Benedict Cumberbatch names that caused the cast to crack up with laughter.
Source: Podcast / Mental Cast
Cite this Source
Funny and Crack up. (2016). Retrieved 2026, August 09, from https://thesaurus.plus/related/crack_up/funny
Crack up & Funny. N.p., 2016. Web. 09 Aug. 2026. <https://thesaurus.plus/related/crack_up/funny>.
Funny or Crack up. 2016. Accessed August 09, 2026. https://thesaurus.plus/related/crack_up/funny.
Google Ngram Viewer shows how "crack up" and "funny" have occurred on timeline