Brilliant pickup line, courtesy of Thagomizer (no, that was NOT something he used on me):
How much does a penguin weigh? Enough to break the ice; my name's _______.
The perfect marriage proposal (courtesy of a human communications class I took last year):
I lowered my standards, how about you lower yours?
((We need to move this to the mature forum, I have one or two which are unsuitable for here!))