Letter of Peacignation Share definition Flag A formal declaration of an intent to "peace," or to leave a place, group, or activity. Dogg, if you really don't like book group, you just submit your letter of peacignation and get out of there. Letter of Peacignation by Sheehan August 4, 2004 0 0 Get merch Get the Letter of Peacignation mug. Buy Now — $32.95 See more merch