Ha ha, KOTOR had a bunch of hiliarious dialogue. I laughed my ass off when Joley (black Jedi) started asking the main character to not beat him anymore, and that he would do his chores as requested "massa." The sarcastic tone that the entire party used in front of the dark Jedi to get into the Sith Academy was probably the funniest part in the game. I think HK-47 called the Sith Trainer a meatbag as well. Everytime you had a problem, HK-47: "Master, do you want me to waste them?" even if it was someone asking for help.
-Lasereth