A type of retail plastic casing that protects expensive electrical gadgets. It is usually impossible to open with your hands, and very difficult to open using any other type of sharp device. The edges are usually completely sealed with no obvious ways of opening it.

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.