1.) Man: "Haven't we met before?"
    Woman: "Yes, I'm the receptionist at the V.D. Clinic."

2.) Man: "So, wanna go back to my place?"
    Woman: "Well, I don't know. Will two people fit under a rock?"

3.) Man: "I'd really like to get into your pants."
    Woman: "No thanks. There's already one asshole in there."

4.) The most memorable rebuttal to a turn-down when a guy asked a  
    girl to dance and she refused:
    Man: "Want to Dance?"
    Woman: "No, thank you."
    Man: "Don't thank me, thank God because somebody asked you."

5.) Man: "I'd like to call you. What's your number?"
    Woman: "It's in the phone book."
    Man: "But I don't know your name."
    Woman: "That's in the phone book too."

6.) Man: "So what do you do for a living?"
    Woman: "Female impersonator."

7.) Man: "You know, I'd really love to travel to exotic places with you." 
    Woman: (tries to ignore him)
    Man: "You know what? I also love sex. What do you say to that?"
    Woman: "Hmmm...you really love sex and travel?"
    Man: (nods his head smiling)
    Woman: "Then go take a f**kin' hike!!!"

8.) And here's one including the correct snappy return
    Man: "How do you like your eggs in the morning?"
    Woman: "Unfertilized."

9.) After hearing a pick-up line:
    Woman: "I like your approach, now let's see your departure."

10.) A friend once had a graying man in his 60's approach her in a
     club while she was in college with the line, "Where have you been 
     all my life?"  She took one glance at him and said, "For the 
     first half of it, I probably wasn't born yet."