The word mean a cross breed between a monkey and a penguin. This normally happens when a specie or monkey gets hory and find a penguin in the zoo as they cannot fly away.
The term can be used also for someone if you are random or for someone who rocks side to side insanely
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