Flipped ball catches me going the wrong way (4,3)

I believe the answer is:

gone mad

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'flipped' is the definition.
Although both the answer and definition are past participle verbs, I can't understand how they can define each other.

'ball catches me going the wrong way' is the wordplay.
'ball' becomes 'gonad' ('gonad' can be a synonym of 'ball'**).
'catches' indicates putting letters inside.
'going the wrong way' says the letters should be written backwards.
'me' reversed gives 'em'.
'gonad' enclosing 'em' is 'GONE MAD'.

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I've seen this clue in The Guardian.

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