Noun: a person, generally male and of post-pubescent age, who, as if by magic, makes a small quantity of beer into a large quantity of urine, to be dispensed at the urinal infuriatingly frequently.
Bob: 'Nother beer Bruno?
Bruno: Nah, ta, another 'un 'll break the seal and then I'll be back and forth like a piss wizard.
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