I dont know, I'm not a Doctor
A bad excuse to sound cool and pretend you know everything but you don’t.
'I don't know, I'm not a Doctor' when I told him he was being a nerd.
'I don't know, I'm not a Doctor' after I told him he was being a geek.
'I don't know, I'm not a Doctor' when I told him he was being a dweeb.