Do all boyfriends do this?

My boyfriend and i have been together for a year and he does this thing that I'm staring to get irritated with. He always jokes around with me and says that he'll go he some pu$$y from my best friend and from this othe girl. It kinda makes me feel weird but I know that he is just joking around trying to make me mad. Because after he says something like that he always says aw I didn't know you were on the phone or something like that and I'm not really worried about it but it still makes feel weird. My friends tell me that all boyfriends do that and. That he's just doing it to make me mad and to play around with me. Should i be worried?