Co-op Stall Share definition Flag When there are two bathroom stalls, without a wall in-between them, so you can shit together. Done with cooperation. Bro, We gotta go shit in a Co-op Stall together.Co-op stalls are always fun. Co-op Stall by KrispyCheese September 5, 2021 0 0 Get merch Get the Co-op Stall mug. Buy Now — $32.95 See more merch