Crossword Genius

Twister spoiled a party (7)

Ross

I believe the answer is:

tornado

'twister' is the definition.
(term for a tornado)

'spoiled a party' is the wordplay.
'spoiled' becomes 'torn' (tear can mean to spoil or destroy).
'party' becomes 'do' (do is a kind of party).
'torn'+'a'+'do'='TORNADO'

(Other definitions for tornado that I've seen before include "Road not turned in the windstorm" , "Violent wind vortex" , "Type of cyclone" , "A major blow" , "Destructive windstorm" .)

I've seen this clue in The Times.
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