In french the world fish means "poisson". Not to be confused with a "boisson" (beverage), nor with the "poison" (poison).

But you could have fish beverage, which would be a "boisson de poisson". And some fish are poisonous, which would make it "poisson poison". Now let's take some poisonous fish, like some fugu, and turn it into a soup. You get a poisonous fish beverage, so "une boisson de poisson poison".

It also follows the poisson distribution