When you can't find any lubricants/lotion to masturbate with, so you do it with shampoo. The next day you will discover your penis skin peeling off. Don't worry, once it's gone there is a fresh layer of skin underneath.

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.