Lil Shank is a soundcloud rapper that has Major play numbers at the moment, Shank's manager run's a website that tells more about shank that what shank himself says.

www.soundcloud.com/lilshankraps

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.