Crossword Genius

Seconds refused, sandwich for Schwarzenegger? (5)

Ross

I believe the answer is:

arnie

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'for schwarzenegger?' is the definition.
(Arnold Schwarzenegger is nicknamed Arnie)

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

Can you help me to learn more?

(Other definitions for arnie that I've seen before include "Arnold (abbrev.)" , "Mr Schwarzenegger, familiarly" .)

I've seen this clue in The Independent.
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