the cock of the walk

(British old-fashioned)

a man who acts as if he is more fashionable or important than other people He acts like the cock of the walk around the office.

Name	Pronounced	Usage
Gronw	-	Welsh
Constantinus	-	Late Roman
Tsvetko	-	Bulgarian
Montgomery	mənt-GUM-ər-ee, mənt-GUM-ree	English
Servatius	-	Late Roman
Juli	YOO-lee	Hungarian