Chusmeria are the details of gossip but more specifically the subject matter that someone uses to "talk shit" about someone else, usually an enemy but more often a frenemy (friend enemy).

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.