1 [noncount] : a thick, slippery liquid
▪ Green slime covers the surface of the pond.2 US, informal : a very bad, unpleasant, or dishonest person [noncount] ▪ That guy's slime. ▪ She thinks men are slime. [count] — usually singular ▪ That guy's a real slime.
▪ Green slime covers the surface of the pond.