The eye doctor is when you insert the penis into your beloved's eye socket and thrust in and out, ultimately popping out her eye, and then ejaculating into the eye socket. The semen then in turn drips down your partner's throat and at that point she swallows your load.
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