Or just plain silly! Here's a few off the top of my head. Bond. James Bond. Are you busy tonight at 3:00 A.M.? Stand still so I can pick you up! Wow. [Grab the ass] Pardon me, is this seat taken? Ouch! My tooth hurts! (Why?) Because you are soooo sweet! You must be Jamaican, because Jamaican me crazy. I'm good at math. U+I=69 You be the Dairy Queen and I'll be your Burger King: You treat me right, and I'll do it your way My lips are skittles, wanna taste the rainbow? Go up to the person and ask for their hand. Draw a line across it and explain that its a really big river, and the bunny on this side (doesn't matter) really needs to get to the other side. Ask how he does it. Give cute little answers as to why the bunny can't cross the river (i.e., ...bunny jump in river, bunny goes *glubglubglub*.) When the person finally asks how the bunny is supposed to get across, give them the cute puppy eyes and say "I don't know, I just wanted to hold your hand."
"Hey baby....wanna do some math? Let's add a bed, subtract your clothes, divide your legs, and multiply"
Hey babe, my names 'jimmy' but you can call me tonight..(hands piece of paper with phone number on it)
Heres my joke line. "Hey girl, you like vaaan rides? I use it whenever someone's annoying me at the bar.