Definition of "bad-ass" [bad-ass]

• Cool, awesome, heroic, admirable (adjective)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "Not a Planet Anymore lists Top 5 most bad-ass Doctor Who moments."
• "And finally, there is evil bad-ass Dragos, who is has some nefarious (and again unexplained) goal of his own."
• "Glad to see my successor helped it be its best bad-ass self."