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Teasing of a flier at some length? (5)

Ross

I believe the answer is:

chaff

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'teasing' is the definition.
(thesaurus)

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(Other definitions for chaff that I've seen before include "Rubbish" , "Shucks" , "something worth little" , "Light banter - husks from corn" , "Worthless material (from corn)" .)

I've seen this clue in the Evening Standard.
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