A phrase which is used to emphasise how much the speaker wishes not to do or take part in some activity, used as a response to a suggestion or request.

Comedic value is gained from the over emphasis of how much the person would not like to do said activity.

May have origins in a quote from the popular computer game "The Curse of Monkey Island" released on Windows 9x

Murray: You may call me ‘Murray’! I am a powerful demonic force! I am the harbinger of your doom! And the forces of darkness will applaud me as I stride through the Gates of Hell – carrying your head on a pike!

The catch phrase used by every single villain in a Scooby Doo episode.

The catchphrase that the villians of the television show "Scooby Doo" would utter after being apprehended and unmasked.

Inspired by the "eating crackers" definition. A really hot chick that you just know doesn't have stinky shit.

to put it in layman's terms, you make me so sick i would rather defecate at the expense of my own undergarments instead of being in your presence.

Quote by poet, artist, activist Justin Thomas La Plante coined on his blog October 12th 2008.

Meaning:

It is better to be sane and live a good life than join the insanity and wasted lives of a perverted and socially self destructive majority.

Usually said when someone asks you a question that you really don't want to answer, but they won't leave you alone until you answer it. Usually you should say this when your little brother asks you a stupid question and it will cause him to leave you alone and ask your parents.