Crossword Genius

Rubbish tango: move like a duck! (7)

Ross

I believe the answer is:

twaddle

'rubbish' is the definition.
(I've seen this before)

'tango move like a duck' is the wordplay.
'tango' becomes 'T' (phonetic alphabet: alpha, bravo, charlie etc.).
'move like a duck' becomes 'waddle' (I've seen this before).
't'+'waddle'='TWADDLE'

(Other definitions for twaddle that I've seen before include "Pretentious or silly talk" , "Trivial/foolish speech" , "Trivial speech/writing" , "Foolish words" , "tripe" .)

I've seen this clue in The Telegraph.
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