A calculating device that hot chicks use to determine how big a dude's "downstairs equipment" is.
I don't need no 0%!$@#& sizemograph to figure out if I wanna have sex wif a well-hung dude --- I just tell him to "shove it in", and if it feels good having him up inside me, I simply let him go ahead and start thrusting.
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