Dandy maybe, but a failure without money (3)

I believe the answer is:

fop

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'dandy' is the definition.
(synonyms)

I can't explain the remainder of the clue.

(Other definitions for fop that I've seen before include "Man excessively concerned with fashion" , "Gallant" , "One affected" , "A dandy like Beau Brummel" , "Affected dandy" .)

I've seen this clue in the Evening Standard.

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