Party animal twisting to the hits (6)

I believe the answer is:

pinata

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'party' is the definition.
Although both the answer and definition are singular nouns, I cannot see how they can define each other.

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for pinata that I've seen before include "that's broken at party" , "Container suspended from a height for blindfolded children to break open with sticks" , "Smashed party guest" .)

I've seen this clue in The Times and The Sunday Times.

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