I don't do pick up lines. But, as I am currently on the phone to one of my female friends, I asked her what her worst pick up line she had ever received was. She said someone said to her, "Hey, I just wanted to tell you the word of the day is 'legs'. Why don't we go back to my place and spread the word?"
I have been trying to find out who told her that, but she won't tell me. I am sure it was not myself, at least I hope not anyway.