Haw Flax! Share definition Flag A word said to people that is just randomness, usually echoed back to the speaker by the directed audience. Johnathon: (walks down sidewalk) Eric: Haw Flax! Johnathon: (replies) Haw Flax! Haw Flax! by Joshua From Google January 26, 2018 0 0 Get merch Get the Haw Flax! mug. Buy Now — $32.95 See more merch