noun

• (informal, derogatory) A sneaky, unethical person; a slimeball.
  ""What about that, you slime?""
• (fantasy, video games) A monster having the form of a slimy blob.
  "This is a nameless blue slime, drawn by Chris Hildenbrand, for a role playing game (RPG) that was never released."
• (figuratively, obsolete) Human flesh, seen disparagingly; mere human form.
  "[…] th'eternall Lord in fleshly slime / Enwombed was, from wretched Adams line / To purge away the guilt of sinfull crime […]"
• (obsolete) Jew’s slime (bitumen).
  "And they said one to another, Go to, let us make brick, and burn them thoroughly. And they had brick for stone, and slime had they for morter."

verb

• (transitive) To coat with slime.
  "‘Children crawled over each other like little grey worms in the gutters,’ he said. ‘The only red things about them were their buttocks and they were raw. Their faces looked as if snails had slimed on them and their mothers were like great sick beasts whose byres had never been cleared.[…]’"
• (transitive, figuratively) To besmirch or disparage.
• (intransitive) To move like slime.
• (intransitive, figurative) To behave in a slimy, unethical manner.