If you get Rick roll'D two times from the same person, then you're a c00n, or if you say dumb sh*t like unfunny jokes and stuff, then you're also a c00n. You can be a c00n without being black or being a racoon. This word is a derivate from the word b00n (a person that sucks in video games), so if you pown someone, not only in video games, you can call him a c00n.
-doooood I just ate TEH ultimate burger last night
-nobody uses the word "teh" anymore... You're a c00n, man
Arthur : That movie was so cliché, I can't believe they still make those kind of movies, nothing's true in this movie!
Jason : Actually, it was a true story...
Some guy : PWN'D
Arthur : now I look like a c00n...
A person of low socio-economic status status who likes to study the art of sniffing petrol, drinking their life away and not working. They are on a quest to ask every person in the world if they can spare a cigarette for them.
Hey c00nism! Stop beating that bitch with your boomarang brudder and give me a smoke! I need to get back to drinking my slab ay!
12 step recovery jargon referring to someone new who talks about how great life is, now that they're sober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.