Joyful, exultant (4-1-4)

I believe the answer is:

cock-a-hoop

(Other definitions for cock-a-hoop that I've seen before include "Extremely pleased" , "In raptures" , "Elated" , "Jubilant" , "Feeling triumphant like male bird with toy" .)

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

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