A trunkprunker is a person who for whatever reason known to them, prunks their trunk. Occasionally, they may choose to do this avially, but if they do, it is of course advisable to do so in the privacy of one's own prunking parlour.
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