A situation in which a woman is being done doggy-style, and the man pulls out and spits on her back, making her think that he has come. When she turns around the guy jerks off like mad and shoots his load in her face.

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.