A general reference to large, ungainly objects (typically high tech machinery) that is often implanted up the colo-rectal highways of unsuspecting people, usually males, by aliens of unknown origin and intent.
Often incorrectly referred to as a hoobajoob
My goodness Walter! What did you eat for lunch? There is a giant hoopajoob sticking out of your ass. Would you like a Rolaids or a Tums?