Answer:
I am the kind of soda you must not drink.
People need me yet they give me away every day.
With three eyes and as black as night I frequently knock down ten men with a single strike!
What's full of holes but still holds water?
I have roots nobody sees. I am taller than trees. Up up I go but I never grow.
I flow from the Homerβs mouth when he sees doughnuts.