Square 69 Share definition Flag It's like 69 buť in 4 people And they do it in one big square. Girls in our class are such a sluts they even asked me if i want to do square 69 with them! Square 69 by Nightknight258 November 25, 2019 0 0 Get merch Get the Square 69 mug. Buy Now — $32.95 See more merch