(a.) Befitting or indicating a coxcomb; like a coxcomb; foppish; conceited.

Gascon aggressively self-confident arrogant biggety boastful boasting braggart bragging bumptious chesty cocky complacent coxcombical dandified dandy egocentric egotistical fanfaron fanfaronading foppish gasconading haughty immodest know-it-all narcissistic obtrusive overwise peacockish peacocky perk perky pert prideful proud puffed up self self-admiring self-advertising self-applauding self-conceited self-flattering self-glorious self-important self-lauding self-opinionated self-satisfied self-vaunting smart-alecky smug snobbish snotty stuck-up swelled-headed thrasonic thrasonical vain vainglorious vaporing vaunting