A burp and/or belch that comes from the deepest dungeon of your stomach; typically smells of garbage, but can be extremely satisfying and may result in a subsequent fart.
John: (belch)
Paige: Omg John, gross! Was that a dungeonous burp?
Dungaree fabric is a historical term for an Indian coarse thick calico cloth. The word is possibly derived from Dongri, a dockside village near Mumbai. Cotton twill with indigo-dyed warp thread is now more commonly referred to as denim.