Ol' Neloth has a few good ones: "Yes, yes. You're Dragonborn. We're all impressed." "Do you need all your toes? I could really use a fresh toe for... nevermind. You aren't moldy enough" "By Malacath's hairy knuckles! You'll pay for that!" "Dagon's eyeballs, but you're an ugly one, aren't you?" "By Malacath's toenails, where did that come from? But my favorite ones are all from Bolwing back in Shivering Isles: "Rany Roo! Rany Roo!" "No friend dorpidity?" "I saw the Zaxer. And I magged it too! Aw, fribble! "Gal bursten it." He always managed to put a smile on my face.