badass

A bad@ss is defined as:

"a tough, uncompromising, or intimidating person."

The term is attributed to North America, dating back to 1809. But use remained fairly minimal throughout the 19th and 20th centuries.

The term really took off at the beginning of the 21st century and continued a swift upward trajectory until the present.

Even though the widespread use of the term is relatively recent, the attitude and attributes of a bad@ss goes back to the beginning of human existence.