Definitions from Wiktionary (knee slapper)
▸ noun: (idiomatic) A joke, especially one which strikes the listener or reader as particularly humorous.
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▸ noun: (idiomatic) A joke, especially one which strikes the listener or reader as particularly humorous.
Similar:
thigh-slapper,
knee-slapping,
thigh slapper,
knee-tremble,
happy slap,
knees-up,
kneesie,
slobber knocker,
knuckle sandwich,
toe-tapper,
more...
Opposite:
▸ Words similar to knee slapper
▸ Usage examples for knee slapper
▸ Idioms related to knee slapper
▸ Wikipedia articles (New!)
▸ Words that often appear near knee slapper
▸ Rhymes of knee slapper
▸ Invented words related to knee slapper