Dio Brando, coz he technically got cucked by Jonathan Joestar after stealing his body.
Dio Brando is a cuckpire. Even though he's banging all the chicks including Giorno's mom, he's still getting cucked by Jonathan as the body belongs to Jonathan. And while DIO controls the body it's still Jonathan's massive BWC which impregnated those chicks.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi