Something that you can never know anything about but believe everything you are told about it. Hoodilydaddle is a term given to anything you can't explain. It derives from things usually talked about by people in white lab coats. If you can't pronounce the name of certain things or topics just default to hoodilydaddle.

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.