a term used to refer to a pedophile, one who usually likes the f minor key in pianos, and also killed himself shortly after being exposed, someone who fits this criteria and killed himself can be called someone who norbunned /norbunny'd himself
"You know that pedophile we were talkin about? yea he norbunny'd himself"
Its a word used when a pedophile commits suicide after getting exposed on internet.
A random groomer: Oh no I've been exposed to internet! I should norbunny myself.