v. To down an entire bottle of an alcoholic beverage of your own choosing. Beast refers to the old Irish way of referring to Alcohol as The Creature. Beast just happens to be a more hardcore animal euphemism, and since downing an entire bottle of alcohol is pretty hardcore...

A phrase to describe someone who is cognitively degenerating. Synonym of "going off the deep end". Can have varying degrees of severity.

Reference to the song "Hey You" by Pink Floyd. The line "and the worms ate into his brain" makes no sense in an otherwise linear and literal narration throughout the lyrics.