1. An unidentifiable residual build-up usually found at the bottom of outdoor trash recepticals. Cannot be calssified as animal, vegetable nor mineral. Commonly brown/chunky in apearance.
2. Common term applied to any mystery substance deemed to be of questionable origin or considered harmfull.
1.Ah fuck, there's smunge on the doorknob!!
2. SHIT!! I GOT SMUNGE ON ME!!!