Overly confident, arrogant, or cocky in a way that shows you think you're better than others.
From 'cock' (rooster, symbolizing pride and dominance) + the suffix '-y', creating an adjective meaning 'like a cock.' The term emerged in the 16th century to describe strutting arrogance.
Roosters have been symbols of pride and cockiness for so long that their behavior literally became the basis for how we describe arrogant people!
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