The act of jizzing in ones hand and then using the cum to beat off your friends cock. Usually the person is gay or your just both really horny.
Nick D.: I am horny but i have no girl friend.
Bobby: Me to.
Nick D.: Lets California cum fuck.
Nick D.: I will whack off and jiz in my hand then give you a hand job.
Bobby: OK but keep it quite.
Nick D.: OK here we go.