Disruptive chat woke flock's dominant member (4,2,3,4)

I believe the answer is:

cock of the walk

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'dominant member' is the definition.
I know nothing about this answer so I can't judge whether this works.

'disruptive chat woke flock's' is the wordplay.
'disruptive' indicates an anagram.
'chat'+'woke'+'flock'='chatwokeflock'
'chatwokeflock' anagrammed gives 'COCK OF THE WALK'.

Can you help me to learn more?

(Other definitions for cock of the walk that I've seen before include "One who dominates others within a group" , "band leader?" , "Self-appointed chief of group" .)

I've seen this clue in The Times.

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