How to get him to makeout with me?

Ok so I was invited to go on a double day with my friend and her boy but I've never met the kid I'm going with. I reeally wanna makeout for the first time and I thought I should with him but idk how to get him to make out with me. I don't want people telling me not to I'm just having a slutty day with my friend. So how can I get thi stanger to makeout with me ?