When the male is about to ejaculate and pulls out of the vagina and just places the tip of his penis against her asshole and ejaculates inside without her approval.

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.