Rational beans Share definition Flag A synonym mainly used in response to a rational argument. Used only by Ameera. Person 1: 3/4 = x/4 solves to x = 3 Person 2: Rational beans, man. Rational beans. Rational beans by rationalbean May 29, 2020 0 0 Get merch Get the Rational beans mug. Buy Now — $32.95 See more merch