A beer that is opened and one sip is gone but they take the tab to keep track "how many beers they drank" and the person hands it off to someone else saying finish it pussy when really they are the pussy. Also known as "Parkie beer"

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.