as in hoot
someone or something that is very funny
the movie is a real knee-slapper if you are a fan of lowbrow humor
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Recent Examples of knee-slapper
On dinner tables frequented by Brussels sprouts, meatloaf is the well-meaning uncle whose knee-slappers are beloved, but not particularly hip.
—
Betsy Cribb Watson, Southern Living, 17 Nov. 2025
And, even more unfortunately, the conversations that Dreux and Alyssa have are not exactly knee-slappers.
—Alphonse Pierre, Pitchfork, 22 Jan. 2025
This 1940s knee-slapper on deck from Lakewood Theatre Company really isn’t so concerned with rooting out the murderer.
—oregonlive, 5 Sep. 2023
Betsy Cribb Watson, Southern Living, 17 Nov. 2025
And, even more unfortunately, the conversations that Dreux and Alyssa have are not exactly knee-slappers.
—Alphonse Pierre, Pitchfork, 22 Jan. 2025
This 1940s knee-slapper on deck from Lakewood Theatre Company really isn’t so concerned with rooting out the murderer.
—oregonlive, 5 Sep. 2023
Recent Examples of Synonyms for knee-slapper
Noun
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Cowboy and cowgirl hoots and hollers complement the rumbling of the massive animals’ hooves as they’re rounded up into the corrals.—
Lydia Mansel,
Travel + Leisure,
28 Dec. 2025
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But their annual Christmas dinner was a special hoot.—
Brittany Allen,
Literary Hub,
17 Dec. 2025
Noun
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Rocky’s reply sent cohost Queenz Flip into stitches, which led to everyone sharing an infectious laugh in the room.—
Michael Saponara,
Billboard,
23 Jan. 2026
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Jones is more outgoing, has a silly laugh and is a former first-round pick who wears garish suits on game day.—
Jerry McDonald,
Mercury News,
22 Jan. 2026
Noun
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Passengers aboard a taxiing aircraft were reportedly left horrified last month when chilling screams suddenly echoed from beneath the cabin just moments before takeoff.—
Bonny Chu,
FOXNews.com,
14 Jan. 2026
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The car chase, the chokehold, his own screams at the officers to leave his dad alone.—
Nicole Foy,
ProPublica,
13 Jan. 2026
Noun
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The riot police took off on motorcycles, with people chasing them, running at them.—
Cora Engelbrecht,
New Yorker,
22 Jan. 2026
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Officers in full riot gear deployed water cannons, chemical irritants and rubber bullets and said they were targeted with fireworks.—
Emma Bussey,
FOXNews.com,
21 Jan. 2026
Cite this Entry
“Knee-slapper.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/knee-slapper. Accessed 29 Jan. 2026.
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