It's not a good idea to call the police unless you really feel like those boys harrassed you. Kids in my neighborhood got in a lot of trouble for that before. If you don't feel safe or you feel uncomfortable, talk to your parents, and then go from there. ^^ Guys can be strange like that, sometimes. My guy friends say worse stuff than that on a daily basis. Sometimes you just have to roll your eyes at them and move on with your life. XD