Squeeze a load of hand sanitizer into one hand. Light your hand on fire, hold on with the other hand to your partners love handle, and slap away and ride the pony with your flaming hand.

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.