Sentence:  Fitzroy was the across-the-river equivalent of St Kilda. Another ragged, working-class suburb that had become bohemian and then been discovered and slicked up. There was plenty of <WSD>scunge</WSD> left, however; in the back streets the smell of dope wafted from the houses. 
Meaning of the word marked with <WSD> tags:  Muck, scum, dirt, dirtiness; "also used attributively".