I can't think of Cassie using a pick up line....I wonder what she said when she hooked up with that dude in the last book....
"You like white? I can be white."
dirty
[spoiler] Ride me like a pony [/spoiler]
more misc ones:
"Your nest or mine?"
"Of all the planets, in all the galaxies, you invaded mine <3"
"I wanna grow old with you, then morph teenagers and do it all over again"
dirty
[spoiler]
I wanna get caught in your sario rip
"You think andalites have an impressive tail?"
[/spoiler]