dont be a dumbass. dont obviously look at her tits. smile at her. say something interesting (but not weird or creepy).
The dude I can't get over was super funny and approachable when we first met. We chatted it up for a while, and in the middle of me talking he interrupted me and said "Wanna drink beer and make out in the park?". I slowly stopped talking and was totally stoked on what had just happened. dream boy.