Enormous beating (8)

I believe the answer is:

thumping

This clue is a double definition.

'enormous' is the first definition.
(thesaurus)

'beating' is the second definition.
('thump' can be a synonym of 'beat')

(Other definitions for thumping that I've seen before include "Huge -- bashing" , "(Of defeat) huge" .)

I've seen this clue in The Independent.

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