when you had 1 too many glasses of vodka and you don't know what the hell you are doing because you are dry fucking a tree. its Basically when your drunk and you act like a plum fool.

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.