What is Fimbulbum?
Fimbul(Norse for 'Mighty')+Bum(English for any person in a shitty financial state, often a fucktard or assclown).
Therefore, a mighty bum. A king of the fuckers.
That shitehole on the street was one hell of a fimbulbum.
Lord allmighty, Paul! You are one fimbulbum!
See Dane