These are better:
"The word of the day is 'legs'. Now let's go back to my place and spread the word."
"Hey hon, wanna try an Australian kiss? It's just like a French kiss, only down under."
"Is there a mirror in your pocket? Because I can definitely see myself in your pants."
For more funny pickup lines:
http://www.askbucknaked.com/topicpages/pickuplines.html