Cor blimey! (2,4)

I think it could be either:

Which length description are you looking for?:

2,4

5,3,5

by jove

(Other definitions for by jove that I've seen before include "Surprised exclamation" , "Old exclamation of surprise invoking Jupiter" , "Good God!" , "Well, I'll be blowed!" , "Well, I'm blowed!" .)

I've seen this clue in The Guardian.

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