2. What a comeback can also be said when someone else is slamming or dissen another person, and the person comes back with a witty, smart, hard slammen comeback that tops the other person's cut down so badly that they are put to shame. Sometimes you get to watch a fight after you can say: Man! what a comeback! It aggravates the person who got slammed by the comeback.
2. Person #1 - Yo' Momma so fat that when she farts in a pool they name the Hurricane!
Person #2 - Yeah, well yo Momma so fat that when she stands up the earth tilts on it's axis!
Watcher #1 - Whoa! what a comback! Hahahaha!
Person #1 to watcher #1 - "STFU'! (then he scowls at him).