Scunge

Every saucepan he owned was piled there, caked with unidentifiable scunge.

Source: wiktionary

In two mad days Scully painted out the whole interior in lime wash, and the place suddenly seemed brighter, bigger, cleaner, and so strangely wholesome that it made him realize how foul it had been before, what scunge he'd really been dealing with day and night.

Source: wiktionary

We asked questions like, “Do you think we can take a blowtorch to burn that green scunge out of the refrigerator without wrecking the insulation?”

Source: wiktionary

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 scunge left, however; in the back streets the smell of dope wafted from the houses.

Source: wiktionary