A sugar daddy whose primary source of income is derived from stocks (shares of a company). The portion of the profits from company are issued to the dividaddy are known as the dividends. Dividend income are then transferred from the sugar baby to the sugar daughter, thus naming the middleman: dividaddy.
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