n. Possibly the most pointless, irrational form of debate on the Internet today, a YouTube debate is when two or more people get into an argument via the comments section on YouTube. The topics may include politics, Megadeth vs. Jonas Brothers, Justin Bieber, the paranormal, how VEVO sucks, or perhaps most laughably, gang affiliations. As with your average forum fighter, those who start (or engage in) these debates are often just trolls, but some actually take them seriously, to the point of getting emotional. Also, they generally contain numerous spelling and grammar errors.

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.