Definitions
1.NounGrime, dirt, slime; any vague, messy, or unknown substance."I washed all the gunk off the light fixture, and found that it was white, not brown."
2.NounA subculture of 21st century American males, combining elements of modern gothic culture with punk rock.
3.NounAn entity with no atomic parts; infinitely divisible.
4.NounA member of the gunk subculture.
5.VerbTo soil or make dirty.