Taylor is a cunt, no wonder his parents didn't want him and left him doing take the l on him, has an extremely small dick and has the clap

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.