Like a lunatic from Dynamo Kyiv (4)

I believe the answer is:

amok

(Other definitions for amok that I've seen before include "A state of murderous frenzy" , "(Run) in murderous frenzy" , "Run thus to run wildly about" , "Going mad" , "Run (disruptively out of control)" .)

I've seen this clue in The Sun.

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