1. One of the most bro forms of headgear. Commonly used as a form of protection against non-chillness (or sissiness).
2. A sombrero made entirely of Natty cans, duct tape, and a sandwich made by a woman.

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.