Wiktionary
bad-ass
a. cool, awesome, heroic, admirable
Usage examples of "bad-ass".
There was the occasional glimpse of a bad-ass boot or spike-studded wristband, but most of the men who frequented the place sported tousled hairdos and boating dress, and the ever-popular Croakie sunglasses.
You're real good at slam-dunking bad-ass bikers into trash cans, but come the first aversion barrier and you're whining like a goddamn baby!