A Cock cleaning fluffer. One's who's main job during a pornagraphic filming is to clean the cock/hammer and to maintain its hardness.
As soon as the director said cut, the ccfluff eagerly shoved the cock that just gaped a tight ass down her throat and pump gagged him until the next scene position.
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