Girls acting silly in that girly kind of way........

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.

Of, like, or pertaining to chick 'humor,' which isn't really funny, because chicks are genetically incapable of being funny.