When a freeloader who cannot handle his or her alcohol pisses on your carpet.

This freeloader usually has a vocabulary limited to two or three words such as, "butt, boner, and but."

It is also likely that this person is a feline enthusiast.

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.