Crossword Genius

Go up and down (3)

Ross

There are a few possibilities for this:

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3

6 2-2

I believe this is a double definition.

'go' is the first definition.
(both can mean energy or vitality)

'up and down' is the second definition.

(Other definitions for pep that I've seen before include "Ginger; tax-free investment" , "Get-up-and-go" , "savings plan" , "Energy, zip" , "Palindromic energy or vim" .)

I've seen this clue in the Universal and The Globe and Mail.
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