Top game can be the very devil (7)

I believe the answer is:

diabolo

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'top' is the definition.
(I've seen this before)

I don't understand the rest of the clue.

(Other definitions for diabolo that I've seen before include "Devilish" , "Game of catching spinning-top" , "Old game" , "Game involving two sticks joined by a string and a spool-shaped object" , "juggling performance?" .)

I've seen this clue in The Globe and Mail and The Guardian.

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