a person, usually american, that is supremely confident and has the abilities to back it up. one can not be identified as a badass because of one action. being a bad ass is a lifelong commitment to excellence.
Amercian badass' would include: Chuck Norris, Austin Miller, Lil John, MIKE VALLELY, the creators of Miller High Life.
Remeber when Bear Grylls killed a Snake with a rock and then ate it/ Went swimming in the arctic, Skydiving into the ocean out of a helicopter/ Slept inside a dead camel/ (any and everything done in an episode of Man Vs. Wild)That was fucking Bad ass