Something you should definitely add to your repertoire of quirky sayings, but as long as you use it in the same snippy context as Eric Cartman of the show South Park. Also the only acceptable phrase containing the word "hella".
Person 1: Why are youwearing sunglasses inside?
Person 2: 'Cause I'm hella cool, that's why.
Referring as the person your talking to meaning You lookcooler than ever or you calling them Cool as a hipster guy! This saying isn't offensive at all!
Joe: Dude i look so out of fashion with this wear!
Person: Dude, what are you talking about you look hipster cool!
1. An expression used when you think something is very cool
2. Drugs 3. A shitty website
1 "Bro thats some very cool stuff on your computer!"
2 "ay you got that very cool stuffnigga?
3. Dude 1: "verycoolstuff.net is a shitty website" Dude 2: "agreed"