A person or thing that is any or all of the following: retarding, stupid, annoying, emo, gothic, a bitch, a fucker, dumb, sucks, or pretty much anything that is bad and used to describe someone that you hate.
I can't stand those fuckin cleans, they piss me off.
I wish all the cleans would just kill themselves.
If i were a clean i would jump off a bridge.
"I lost my wallet and it had a ton of money in it" (response) "thats clean"