An insult/slur used for referring to localizers who purposely butchers/censors translations to further their own political agendas that weren't in the source material.
Person A: Why did they censor all romance in Fire Emblem Engage English Localization?
Person B: That's because it's lolcowlizers have no one who love them and they're projecting themselves onto it.
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