Move like duck after time? Nonsense! (7)
I believe the answer is:
twaddle
'nonsense' is the definition.
(informal term for nonsense or rubbish)
'move like duck after time?' is the wordplay.
I cannot really understand how this works, but
'move' could be 'waddle' (waddle is a kind of move) and 'waddle' is found in the answer.
'time?' could be 't' (abbreviation) and 't' is present in the answer.
No letters remain.
This may be the basis of the clue (or it may be nonsense).
Can you help me to learn more?
(Other definitions for twaddle that I've seen before include "Senseless talk" , "Bull" , "Moonshine" , "Stuff and nonsense" , "Drivel" .)