Perform a money-spinner? (4)

I believe the answer is:

toss

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But I can't explain it at all! Could you help me understand?

(Other definitions for toss that I've seen before include "Throw carelessly" , "Throw (coin) so as to choose" , "Fling" , "Do it with caber in Scotland" , "Casual throw" .)

I've seen this clue in The Hindu.

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