Insta-fail
To fail instantly by your own words when you try to comeback in an argument. (Combined from the words Instant and Fail.)
Bill: Joe, I still think that Cartoon Network has the best Cartoons.
Joe: Say what? Theres Nick, Disney, PBS Kids......
Bill: You watch PBS Kids?! Insta-fail.
Joe: Say what? Theres Nick, Disney, PBS Kids......
Bill: You watch PBS Kids?! Insta-fail.