One who has been fooled into thinking that a stripper is leaving with him, then proceeds to loiter in the parking lot while she has already left out the back door into her boyfriends' car.

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.