Tango with Lulu? You must, dancing wildly (12)

I believe the answer is:

tumultuously

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'wildly' is the definition.
Both the answer and definition are adverbs. Perhaps you can see an association between them that I can't see?

'tango with lulu? you must dancing' is the wordplay.
'tango' becomes 'T' (phonetic alphabet: alpha, bravo, charlie etc.).
'with' is a charade indicator (letters next to each other).
'dancing' is an anagram indicator.
'lulu'+'you'+'must'='luluyoumust'
'luluyoumust' is an anagram of 'umultuously'.
't'+'umultuously'='TUMULTUOUSLY'

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I've seen this clue in The Telegraph.

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