Why not just a whole set of new quotes? I mean... sure using taunt is a good idea, but something new would be awesome.
Elise - Mmm delicious. Next time though, hold the potions, gives a funny after taste.
Lee Sin - You have no excuse to die by my hands
Gragas - Im only here for the grog... everything else is a bonus
Katarina - Im still hungry, please come back (cause... her passive meaning is pretty much an excessive desire to eat)
Fiddlesticks - There is more then one murder that I can deliver to you
Caitlyn - Now thats what I call sharp shooting -insult kind of laugh sound-
You get the idea... new quotes... Would be awesome