“Champagne us” The act of shaking an uncorked champagne bottle and inserting it in the anus of a partner, then removing the champagne bottle to let the bubbly spray from them like a victor atop the racing podium.

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.