A Descriptive term used to describe a an individual who may have deficated on one's self with their pants on hence the back pocket; the term heavy describes the fecal matter.

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.