If someone calls you a tonic, they're saying you've cheered them up, made them feel good.
One definition of 'tonic' is a medicine, or some kind of drink, that makes you feel refreshed, stronger, happier, healthier.
So, you've done well; you've made someone happy!
It means they consider you nice if they are not using sarcasm
Screening calls means calls are being monitored and usually recorded.
Mean somebody intellectual.
it means you like somebody
I think you mean vigilante, which is somebody that takes the law in his own hands. Like beating somebody up that tries to steel.
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!
Being bipolar means that you have extreme mood swings between depression and happiness.
braggart means somebody who brags a lot so if any body calls you that tell them that they do the same thing