An unattractive female usually over weight, that accompanies an attractive female that you want to mack on. A friend-o-saurus will usually foil your attempts to score with her partner. (See Cockblock)

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.