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
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duhn-juh n Noun

1. In relation to MMOs and tabletop RPGs it is a dungeon that has challenging, but enjoyable mob and boss fights, is well thought out, and is over all aesthetically pleasing.

2. In relation to BDSM, it is a room where you keep all of your equipment and BDSM playthings.
1. "Hey guys, anyone up to run some fungeons later?" or "The DM makes great fungeons!"

2. "Last night, my boyfriend/girlfriend showed me his/her fungeon. It was full of amazing toys!"
by Sukai Kaizoku March 25, 2016
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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
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1)Like the PlayPlace at McDonald's. For sex.
2)The atrium in Larson's non-existent house.
3)Not the Batcave. He doesn't live there anymore.
4)Within 5 feet of Smoot.
5)Motherfuckers.
I make dungeons.... FUN!!!
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