heres a list that got printed in out mathnews (biweekly student newsletter for people in the math faculty)
The Worst Math Pickup Lines:
Hey baby, want to Squeeze my Theorem while I poly your nomial?
Is that a Lemma in your pocket or are you just happy to see me?
My hard drive has a huge storage capacity and is fully operational
Watch my fractal increase exponentially
let's make a composite function
my natural log is massive
i'll show you what the Fundamental Theorem of Calculus was really for, and I wont need 2 parts
My function doesn't have an absolute minimum, it's all maximum
there were others, but they were just inside jokes.