When you have a bubble fart (while sitting) trapped in your butt cheeks and you rock back and forth trying to pop it. Added bonus for it popping on your balls or clit.

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.