A king/lord of a particular group of friends whom all share the common aspect of loving sexual intercourse. Kingbayer's usually behave like bears when searching for a mating partner.
He is our kingbayer.
She is their kingbayer.
The great kingbayer.
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