i.e 1. revealing something which greatly annoys your friend but is advantageous for you, 2. your friend loses at something but you win, 3. your friend loses something which you have
dude 1: F**K I can't believe my wallet is lost! Now I can't go to the club tonight.
dude 2: Oh. :) I guess I still have my wallet and I at least one of us will have fun tonight *SLURP*
dude 1: Dammit! I got 32/50 on the test! 1 point from an A
dude 2: *SLURP* *Shows his test score: 33/50*
dude 2: Have you gotten you drivers licence yet?
dude 1: No
dude 2: *Takes our car keys and head towards his car* *SLURP*