Flipping egg in a bottomless pot stew (5,3)

I believe the answer is:

going ape

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'flipping' is the definition.
I know nothing about this answer so I can't judge whether it can be defined by this definition.

'egg in a bottomless pot stew' is the wordplay.
'bottomless' means to remove the last letter.
'stew' indicates an anagram.
'pot' with its last letter taken away is 'po'.
'egg'+'in'+'a'+'po'='egginapo'
'egginapo' anagrammed gives 'GOING APE'.

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I've seen this clue in the Sydney Morning Herald.

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