rumfudgery Share definition Flag 1: An expletive. 2: Actions of mischief resulting in an expletive. 1: RUMFUDGERY! 2: Will you phytes cut it out with that damnable rumfudgery!? rumfudgery by Gloom September 7, 2003 0 0 Get merch Get the rumfudgery mug. Buy Now — $32.95 See more merch