1 definition by Thomas Van De Bogart
Brownish-Black mildew substance that stems from coffee residue in glass mugs. Scunge is exclusively located on either the work bench or the windowsill in garages.
"Honey, can you clean my coffee cup? It has been sitting in the garage for ages."
"No, look at all the scunge in there."
"No, look at all the scunge in there."
by Thomas Van De Bogart April 11, 2008