3 equally smoking hot ass girls, that are cool to hang out with. But like the mythical unicorn and Sasquatch, thought only to exist in urban legends and fairy tales.

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.