Not the asshole. Used to express opinion whether particular person in argument was the one that took it too far.
Let's say Susan makes fun of Tom's weight. In return, Tom makes fun of Susan's looks. Susan lefts the room crying, Tom asks on Internet forum whether he took it too far.
Random person: NTA. Don't serve what you can't eat. Can't deal with negative comments on your body? Don't make negative comments about other people's bodies.
