After having sexual intercourse with a female you proceed to ejaculate between the shoulder blades of said female. The term comes from anti flea stuff from front line.

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.