The immense feeling of tiredness that follows ejaculating, whether masturbation or sex. The reason why many men masturbate in bed so they can fall asleep easier.

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.