Do you know such a way of entertainment as joking phone calls to strangers and performing of any jokes or comic songs? And so there is an idea how to change this jokes so it would be pleasant to a joke victim.

Instead of joking it is possible to sing a serenade to this person or maybe some romantic song connected with his name. In this case your mood will rise anyway, it will be pleasant and to your interlocutor too. I think you can try it.