A while back I heard a DJ hold a call-in session on the topic of "Which song title would make for the best pick-up line?" Responses ranged from "Let's Get Physical" to "You Are My Sunshine" (!)
Now, because I'm a schmaltzy kinda guy when it comes to dealing with women, I'd probably use "I Want To Know What Love Is." But your results may vary.
Readers - any nominations?