1. "What did I ever do to y..oh, nevermind." 

2. "Oh, ha ha, you got me!! Am I on Punk'd? Where's the camera guy, huh? Where!?" 

3. "Wow, you're even dumber than you look, and that's saying something. What kind of
idiot tells their victim what they're about to do?! I'm ready for you now!!" *Prepare
yourself by getting into various Matrix positions, beckon him with one finger* 

4. "And she's all 'F.Y.I., he's so into me and not you.' and I'm all 'Yeah, right,
whatever.' Oh, I'm sorry! Did you say something?" 

5. "Why do you have to be so mean?!" *produce fake tears and throw a tantrum* 

6. "Uh, I'm not here right now. Please leave a message after the beep. BEEEP!!!"
*take off running* 

7. *cackle with laughter* "You sound like a girl ! Hey honey, come listen to this guy
talk!" 

8. "My dear snake-man, I must say your manners are quite poor. I have just the
thing!" *put on record and sing along* 'Please - say - please - and - thank you for
saying thank you!' 

9. "Are you a joke? Clearly you're a joke!" 

10. "I'm sensing some self-confidence problems. I hear they have an excellent
psychiatric ward at St. Mungo's...and while you're there, maybe you could have them
do something about your nose." 

11. "Oh yeah, and you've told Harry that how many times now? I'm soooooo scared!" 

Again, this is another list from mugglenet.com.