Abandoned flapper in an extreme position (4,4)

I believe the answer is:

left wing

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'position' is the definition.
(I know that left wing is a ice hockey position)

'abandoned flapper in an extreme' is the wordplay.
'abandoned' becomes 'left' (leave can mean to abandon).
'flapper in an extreme' becomes 'wing' (I am not sure about this - if you are sure you should believe this answer much more).
'left'+'wing'='LEFT-WING'

Can you help me to learn more?

(Other definitions for left wing that I've seen before include "Socialist" , "Politically radical" , "Aneurin Bevan was" , "The extreme side of socialism" , "Socialistic" .)

I've seen this clue in The Globe and Mail.

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