the intensedesire to enter a deadly dungeon to kill/find a man, it usually carries symptoms of irrational terror and detrimental starvation, some people affected by funger have been known to go missing.
When someone is bored, with nothing else to do, they can get Fungry, (hungry for fun) making them do things they would normally do with another person. For example: Watching ahead in a tv show or a movie when watching with a friend or family member, or starting a game with another person while the person they were going to play with is busy.
You can solve world Funger by giving the Fungry people something to do.