Pass round the port, my man? (7)

I believe the answer is:

husband

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'man?' is the definition.
(someone's man could mean their husband)

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for husband that I've seen before include "M arried man" , "Partner; use carefully" , "Groom" , "Partner in marriage" , "Use resources economically" .)

I've seen this clue in The Guardian.

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