The absolute best possible day to celebrateone of the most unlikely, unsubstantiated and ecumenically contrived events in the whole of religious history.
A term often used by evil villains in cartoons when thesuper hero would ruin a plan of theirs by destroying a certain machine or revealing to the public the evil master minds' idea.
(Super Fred just blew up Evil Dr. Tims' death ray before Evil Dr. Tim could destroy Peace Town) Evil Dr. Tim screams "Curses, foiled again!"