Over zealous sexual appetite, low self esteem and the inability to keep one’s legs closed leads to poor decision making and inevitable hook-ups with douche bags.

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.