I Didn't Ask
A response that you tell a person when they say something that is off topic or not interesting, or if you are just trying to be a little shit.
Example:
Guy 1: I just got my G2 today!
Guy 2: Yeah, but I didn't ask.
Guy 1: You're such an asshole.
Guy 1: I just got my G2 today!
Guy 2: Yeah, but I didn't ask.
Guy 1: You're such an asshole.