Bragger’s way of dealing with birthday candles? (8)

I believe the answer is:

blowhard

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'with birthday candles?' is the definition.
Although both the answer and definition are singular nouns, I don't understand how they can define each other.

'bragger's way of dealing' is the wordplay.
I cannot really understand how this works, but
'way' could be 'rd' (short for road) and 'rd' is present in the answer.
'of' could be 'o' and 'o' is located in the answer.
This may be the basis of the clue (or it may be nonsense).

Can you help me to learn more?

I've seen this clue in The Times.

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