Now, normally I'm a pretty laid back player. But I do admit that there are few things finer in (gaming) life than taking some smack-talking chowderhead and completely wiping the floor with them. Preferably with many witnesses. It's fun to track the precipitous drop-off of their bragging as the game starts to go against them, and to see the fear and incomprehension come into their expression as their supposedly unbeatable master plan or killer unit goes into the toilet. And once their overconfidence (which is often overcompensation to begin with) is broken, it generally gets even easier from there.
Maybe I'm not the best person for taking pleasure in that, but God help me, I do.