A very board word it lots of definitions.
Here is all the definitions in order of most used to least used
1. Something extreme, but in a good way. Cool, radical, punk, maybe tough.
2. When something happens that is easy,
fast, or quick, you say “gnarly”
3. Something extreme and dangerous but in a bad way.
4. Something found
disgusting, and vomit inducing
5. An annoying overplayed song by Katseye
Giovanna: Have you ever drove a motorcycle?
Ethan: Nah, it’d be too scary for me.
Giovanna: Yeah but once you get used to it, it feels
pretty gnarly!