This term is used for insulting someone fat,overwhieght, huge,etc. this is because the Big Mac is a very big and fattening burger from Mc'Donalds. You can also use the term Mc'double.

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.