Crackup
Knee-slapper and crackup are semantically related. In some cases you can use "Knee-slapper" instead an adjective "Crackup".
Knee-slapper
Knee-slapper noun - Someone or something that is very funny.
Crackup and knee-slapper are semantically related. Sometimes you can use "Crackup" instead an adjective phrase "Knee-slapper".
Cite this Source
Knee-slapper and Crackup. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/crackup/knee-slapper
Crackup & Knee-slapper. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/crackup/knee-slapper>.
Knee-slapper or Crackup. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/crackup/knee-slapper.
