badass

(noun, adjective)

adjective

1. (US, slang) Having extreme appearance, attitude, or behavior that is considered admirable.

- That tough guy looks badass.

noun

1. (US, slang, negative connotation, vulgar) A mean or belligerent person; a person with unpleasantly extreme attitudes, behavior or appearance.

- Don't mess with that guy, he's a real badass.

2. (US, youth slang, positive connotation, vulgar) A person considered impressive due to extreme attitudes, behavior or appearance.