A Canadian expatriate, usually wealthy or a celebrity, living in the United States, who constantly talks shit or down about their host country. Usually they are escaping paying high Canadian taxes, their crappy healthcare system or just because Canada sucks so bad as a place to live.

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.