This refers to racists and contrary to popular beliefs is not, I repeat not se flesh eating virus necrotizing fasciitis. Nazi's or racists is what's being referred to here ladies and gentlemen, racists and racist.

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.