Crossword Genius

Dapper youth, flush one with touch of elegance (5)

Ross

I believe the answer is:

rudie

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This clue could be a double definition.

'dapper youth' is the first definition.
The definition suggests a singular noun which matches the answer.

'flush one with touch of elegance' is the second definition.
I can't judge whether this definition defines the answer.

Can you help me to learn more?

I've seen this clue in The Sunday Times and The Times.
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