Okay, so this has likely been posted before...Of course it's immature, and the makers expect it so they program in QUITE the library of dirty words, but I'm sure most people know that saying "bad" words to people elicits very interesting responses.
The best I've found is that Umpani just outside the entrance to the fort (forget his name)... if you ask him about sex (or a slew of other mauvais mots), he gaily (no pun intended) responds that he's on break later. Haven't found any others quite like that~! I guess the makers have their heads in the gutter too...