The action in which person A pulls down person B's pants and underwear and proceeds to jizz all over their genitals. Right after the jizz has ended, person A pulls person B's pants back up; thus giving person B a 'creamcheese diaper'.
Arab: "Yo man! I heard you got creamcheese diapered!"
Soulja Boy: "Yeah, I got some bitch pregnant on accident..."