Internet abbreviations. NM = not much, wbu = what about you. These abbreviations can be used separately, but are commonly found together in one big incoherent blob of laziness, used by incoherent lazy shits.

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.