A more intense form of skydiving where you jump out of a plane, and skydive into another plane (thus creating a circle, so 360°). Similar to bonzai skydiving, there is no parachute, so don’t miss.

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.