A duster is somebody who is bad at something.
Its a saying from the show South Park.
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 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.
it's a cutie, girlfriend name! I think somebody likes you, and wants to show it!
braggart means somebody who brags a lot so if any body calls you that tell them that they do the same thing
Just like you'd talk to anyone else.