Crossword Genius

Go quickly back again (3)

Ross

I believe the answer is:

pop

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'go' is the definition.
(popping is a kind of going)

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for pop that I've seen before include "Explosive sound; drink" , "Youthful music for dad?" , "Music with mass appeal" , "US fizzy drink and type of music" , "Soft drink - father - music - light explosion" .)

I've seen this clue in the Evening Standard.
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