stole me = [i] stole [for] me[myself] = I stole for my own use
when the cops closed the fair
The fair (a public gathering for the purposes of entertainment; a circus) was so much fun, that it became too rowdy. The cops had to come in and...
big pill = (I think!!!) big responsible, serious, or unpleasant task; deserved hardship, comeuppance; as in "it's a big pill to swallow" (see below). big pill looming = now I'm about to face something serious.
poison rats = poisonous or poisoned rats. Your guess is as good as mine. There should apparently be a comma before the word warm, if that means anything.
clean blood of Christ mountain stream.
They've created a verb "to mountain-stream". Mountain streams are very clear water that flows quickly over a hard rocky channel. The rocks clean the water further. On the other hand, the flow in a mountain stream is very unstable; it rises and falls. Consider the pulsing of a cut artery. Then think once again of what they tell us Christ's purpose was.
big pill stuck going down. someone could not handle the big responsibility. Who????
By the way, all pills are administered orally or rectally. How is the pill taken in this case?
PS. Poetry. The reason to study any language!