Party is a hit (4)

I believe the answer is:

bash

I believe this is a double definition.

'party' is the first definition.
(term for a party or celebration)

'is a hit' is the second definition.
(I've seen this before)

(Other definitions for bash that I've seen before include "Party - clobber" , "Go" , "Criticise -- social gathering" , "Smite; a party" , "Party; attempt (slang)" .)

I've seen this clue in The Mirror and The Daily Express.

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