autotransfenestration Share definition Flag The act of throwing oneself out of a closed window. Compare transfenestration and autodefenestration. I try to avoid that idiot even if it means autotransfenestration. autotransfenestration by The Bronx April 21, 2011 0 0 Get merch Get the autotransfenestration mug. Buy Now — $32.95 See more merch