knee-slapper

noun
knee-slap·​per | \ˈnē-ˌsla-pər \

Definition of knee-slapper 

: an extremely funny joke, line, or story

Synonyms for knee-slapper

Synonyms

hoot, laugh, riot, scream

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First Known Use of knee-slapper

1966, in the meaning defined above

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Dictionary Entries near knee-slapper

knee roll

knee roof

kneesie

knee-slapper

knee sock

kneestone

knee strap

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Time Traveler for knee-slapper

The first known use of knee-slapper was in 1966

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More Definitions for knee-slapper

knee-slapper

noun

English Language Learners Definition of knee-slapper

: a very funny joke or story

More from Merriam-Webster on knee-slapper

Rhyming Dictionary: Words that rhyme with knee-slapper

Thesaurus: All synonyms and antonyms for knee-slapper

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