Stagger like a fish eater after finishing breakfast (6)

I believe the answer is:

totter

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'stagger' is the definition.
(I've seen this before)

I can't explain the remainder of the clue.

(Other definitions for totter that I've seen before include "Sway, as if about to fall" , "adder?" , "Scrap dealer" , "Walk unsteadily - nearly fall" , "Be unsteady on one's feet" .)

I've seen this clue in the Evening Standard.

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