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!