plural for hydroflask Share definition Flag it’s hydroflasks and i’m really sad to admit it :/ person 1: dude say the plural for hydroflask person 2: hydroflasks person 1: SKSKSKSKSK plural for hydroflask by caleb saliva August 26, 2019 0 0 Get merch Get the plural for hydroflask mug. Buy Now — $32.95 See more merch