Nerve has launched an online encyclopedia of pick up lines, cleverly called Pickupedia. I think the need for such a thing is in direct proportion to the number of people who have quit smoking.
"So it is with minds. Unless you keep them busy with some definite subject that will bridle and control them, they throw themselves in disorder hither and yon in the vague field of imagination... And there is no mad or idle fancy that they do not bring forth in the agitation." - Montaigne