"Tell us!" (5,3,5)

I think it could be either:

Which length description are you looking for?:

5,2

5,3,5

spill the beans

(Other definitions for spill the beans that I've seen before include "Blurt out secret" , "Explain" , "Tell us!" , "Divulge secret" , "Grass" .)

I've seen this clue in the Universal.

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