An overtly extreme case of sweating that results in or produces a vertical line of sweat over the crack of one's ass, typically caused by vigorous exertion. Could also be known as "water on the rear"

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.