badass

adjective Also bad·assed.

1. (of a person) difficult to deal with; mean-tempered; touchy.
2. distinctively tough or powerful; so exceptional as to be intimidating.

noun

3. a mean-tempered troublemaker.

noun

1. a tough or aggressive personthe meanest badass in town

adjective

2. tough or aggressivea badass rock band
3. excellenta real badass watch

n.

“tough guy,” 1950s U.S. slang, from bad + ass (n.2).