Fluttershy doesn't need to say anything, she just has to give the stare. Risque line initiated: Care for a chomp at my bit?
"Your eyes shine more than Celestia's sun, still your eyes are deeper than Luna's night... You are what a Paradox of beauty is." Whatever.
Edit: Here it is: (Spoilered due to my constant fear of being banned for an unsubtle pickup line) Spoiler: Pickup Line Hey Pinkie, want to have a hotdog eating contest? I'll let you go first.
Aww, thank you both. I didn't expect to have anyone like mine. Glad I also managed to get Dr. Whooves' Seal of Approval. Next line! Breathe out so that I can breathe you in.