Does he have a right to say that to my boyfriend and about me?

Okay so about a week ago my boyfriend was talkin to me on msn and he said that he was reallly pissed off at one of his now former friends.But when I asked why all he said was that the guy had said a bunch of sh*t about me and that he,his older sister,and one of our other guys friends had taken care of it for now.So I let the subject drop until I decided to bring it up at school the other day with my friend.I asked what the guy had said and I was EXTREMLY shocked to hear that he had not only offened me but my other friend who had use to date my boyfriend and that guy.

Appariontly the guy had looked at a pic of me and decided that I was hot so he told my boyfriend this.

He aslo said that he would like he would like to do me and that when my boyfriend and I broke up that he wanted to have his fun with me too.And then he than my boyfriend for breaking up with his other girlfriend (my friend) because he had plenty of fun with her.

And that really ticked my boyfriend off so much that he wouldnt tell me, but know that my friend told me what the guy said she also told me what my boyfriend did to him. So the guy was on his bike and my boyfriend shoved him off it and hit him a few times and that was all she really knew. So I was just wondering If that guy had any right to say that to my boyfriend or even to say that about me and to insult my friend like that?