A person who is similar in nature and looks to that of a tramp. Someone who dodges soap and deoderant and often looks like they have clothes on that Oxfam threw out.

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.