Might such a show bowl you over? (5)

I believe the answer is:

floor

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'bowl you over?' is the definition.
'floor' can be an answer for 'bowl' (thesaurus). I am not certain of the 'you over?' bit.

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for floor that I've seen before include "Dumbfound" , "Defeat" , "Fox" , "Baffle, confound" , "Puzzle" .)

I've seen this clue in the Evening Standard.

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