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A conjunction of the Latin phrase "Ad Infinitum" and the English word "Tedium"; hyperbolically meaning to partake in a tedious activity for an infinite amount of time.

"Infinitely Tedious".
Rob: "My new desk job requires me to alphabetically file error reports every ten minutes of the day, ad infinitedium."

Jerry: "Well Christ ol' chap, have you considered the sweet release of death?"
by Puddin482 November 13, 2012