Wait, are we talking about cars?

Best definition
Wait, are we talking about cars?
An extremely annoying catchphrase said at random times. Even when a conversation is about cars, the catchphrase is still not

funny. Used rarely in the United States of America

Friend 1: So why do you like One Direction so much?

Sivan (Friend 2): I’m not obsessed, I just like some of their music.

Annoying Friend: Wait, are we talking about cars?

Sivan (Friend 2): Goshdammit, NO!

Annoying Friend: (Laughs and runs away)