An alternate way to call a joke horrible, especially if there isn't a word in the dictionary to describe such a horrid abomination created by people in the outskirts of society. Generally used to make fun of someone online for not being funny in a way that we can comprehend.
"Dude that joke is Homosapinetia-Unfunulous, get a life"
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