1) Arrogant 2) Assertive 3) Cheekily confident 4) Exclusively Saxon word 5) Exclusively Anglo word 6) Filled with oneself 7) Full of oneself 8) Insolent 9) More than confident 10) Overly self-confident 11) Pertly self-assertive 12) Self-confident and then some 13) Self-confident to a fault 14) Slang for pert Found on https://www.crosswordclues.com/clue/cocky
[mascot] Cocky is the costumed mascot of the University of South Carolina athletics teams. He represents a cartoon version of a gamecock (a fighting rooster). The current version of Cocky made his debut, by Robert Lane, at the Homecoming game of 1980. He was portrayed as the son of Big Spur, a large barn yard rooster that had been attending... Found on http://en.wikipedia.org/wiki/Cocky_(mascot)