Someone (you know you are a liar if you say you dont) who is always sure to look down into the toilet before they flush their shit down.Probably because humans deep down inside expect the bowl to be completely full one day.

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.