The term clungeon is a combination of the 2 words clunge, (which is a crude name for a female's Jame's Blunt) and dungeon.
It is used to describe a venue where there is often serious amounts of clunge - so much so that the walls are often dripping with the juices of this so called clunge.
That place was seriously a clungeon. You could scoop up the drippings from the floor with a soup ladle.
A room that is so covered in empty fast food containers, cum stained socks, waifu pillows, MLP characters in various jars, that even an infant would know it was occupied by a single guy in his 40's living in his mother's basement. Also a shortened version of Cum Dungeon
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"