If your name is Oscar I can see no problem. If your name is not Oscar then you may need to ask someone why you are being called an name not yours
Its a saying from the show South Park.
A duster is somebody who is bad at something.
Your cool, not a idiot. Nice guy basically
It means they consider you nice if they are not using sarcasm
Crazy, sparactic or all over the place
When someone calls you an island, it could mean that you act or feel isolated, distant, or detached from others emotionally. It might imply that you are self-sufficient and prefer solitude instead of seeking social connections.
When somebody calls you a sort in slang, it means pretty, beautiful, stunning. It is a good thing.
It obviously means you have lots of money from their view point.
A job in can mean anything fom being annoying, or being something that is unappetizing.
When somebody insults you, for example calls you fat, say it and I means yes you are fat but what about me.
Being bipolar means that you have extreme mood swings between depression and happiness.
it's a cutie, girlfriend name! I think somebody likes you, and wants to show it!