I dont know, I'm not a Doctor
A loud and rude way to say you don’t care and you think everyone else is stupid.
'I don't know, I'm not a Doctor' when I told him he was being a twerp.
'I don't know, I'm not a Doctor' after I told him he was being a dork.
'I don't know, I'm not a Doctor' when I told him he was being an idiot.