Enjoy a lively frolic; Oops! Enrage stranger (2,2,1,5)

I believe the answer is:

go on a spree

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'enjoy a lively frolic' is the definition.
I don't know anything about this answer so I cannot tell whether it can be defined by this definition.

'oops enrage stranger' is the wordplay.
'stranger' indicates an anagram.
'oops'+'enrage'='oopsenrage'
'oopsenrage' with letters rearranged gives 'GO ON A SPREE'.

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

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