A classic comeback in which you re-state part of what the person said and place emphasis on the word YOU or YOU'RE.
(Friend 1) - That shirt looks stupid
(Friend 2) - YOU look stupid
(Friend 1) - Slow down, you are driving to fast
(Friend 2) - YOU'RE driving to fast
a joke wherein the jokester notes what the obvious joke would be, avoids it and redirects the joke for added effect.
example of a double reversal:
man one: (gestures to a sign that reads Ball Rd.) heh heh. check it out dude.
man two: heh. road.