A person who lives above you and makes a point to stomp on the floor because you are talking downstairs and it is too loud for them, or flush the toilet, or watch TV.......
What was that loud thud up stairs? Oh just fee fi foe dum sitting listening for any noise, then he stomps.
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