an excited way to like a Barrel Full of Monkeys, a big jumbled pile of hard parts all akimbo, like dungeons and dragons lead figures or nails made of gold. A stack of paintings un-straitened or skewey.

(noun) A pile of people or animals, usually with one individual on the bottom of said pile.
(verb) To pile on; the act of creating a monkey pile, often used in the intransitive imperative form.