1691 Share definition Flag A sexual position, where 2 girls do the postion 69, and two guys are penetrating on either side (1 - 69 - 1) "It's not gay if it's 1691 with two chicks" 1691 by oopsitsaboris February 26, 2015 0 0 Get merch Get the 1691 mug. Buy Now — $32.95 See more merch