An entertaining area located below ground level. A fun dungeon.
With the addition of an entertainment center and bean bag chairs, Lamont completed his fungeon.
by Nerfect April 13, 2010
A fap dungeon. A layer in someone's home to be locked away and masturbate.
My little brother's room has turned into a fungeon since 8th grade.
by JusticeQuincy April 27, 2015