Having already lathered up your manhood with shampoo, this is the act of making a fold in a shower curtain, instantly creating a soapy,substitute,pussy before your very eyes and then proceding to pleasure yourself until you blow your load.

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.