When you rent a hotel room, lock yourself in, turn off all the lights, cover all the doors and windows, stick a wet towel over the smoke detector and one under the door and proceed to hotbox the whole room with vape

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.