Taking an overly powerful rip from the bong and consequentially having one's mouth area covered in bong water.

Specifically, when the bong water is old and has nasty shit floating around in it.

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.