knee slapper

A form of knee-slapper — A joke, especially one which strikes the listener or reader as particularly humorous.

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Meanings

nounknee slapper (plural knee slappers)

plural knee slappers

  1. alternativeAlternative form of knee-slapper.
Cite this entry
APA

knee slapper. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/knee%20slapper

MLA

“knee slapper.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/knee%20slapper. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “knee slapper,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/knee%20slapper.

Source: knee slapper on Wiktionary, CC BY-SA 4.0.