What is the answer to "___-slapper (funny joke)" in the USA Today Crossword?

The answer to the USA Today Crossword clue "___-slapper (funny joke)" is KNEE (4 letters).

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___-slapper (funny joke) USA Today Crossword Clue

Across clue · from the August 3, 2026 puzzle

Stuck on “___-slapper (funny joke)” from the USA Today Crossword? Here is the verified answer:

Answer

KNEE

4 letters · Across · last seen August 3, 2026

1DSoftware add-on6 1A"Billions" actor Giamatti4 2D___ borealis6 3DLike goods still on the shelf6 4DMain role4 5ABig brass instrument4 5D___ vision (state of intense fixation)6 6DIt's hard to resist4 7DHuffed and puffed4 8DCommunication system in "CODA"3 9DManis' counterparts5 9ASchool fundraising grps.4