When having sex, one person poops out extremely slimy mucus slop on to the other’s pubic hair. The person who delivered the slop then sucks it out of the other’s pubic hair, thus becoming a slop sucker.

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.