(a.) Self-conceited; forward; pushing\.

aggressively self-confident arrogant audacious biggety brassy brazen challenging cheeky chesty cocky cold conceited contemptuous contumelious cool daring defiant defying derisive disdainful disregardful familiar forward greatly daring hubristic immodest impertinent impudent insolent insulting know-it-all obtrusive overpresumptuous overweening overwise peacockish peacocky perk perky pert presuming presumptuous procacious puffed up pushy regardless of consequences saucy self-conceited self-opinionated smart-alecky stuck-up swelled-headed uppish uppity