Loony children's game going around (3)

I believe the answer is:

git

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'loony' is the definition.
Both the definition and answer are singular nouns.
Maybe you can see a link between them that I can't see?

'children's game going around' is the wordplay.
'children's game' becomes 'tig'.
'going around' is a reversal indicator.
'tig' back-to-front is 'GIT'.

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I've seen this clue in The Times.

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