liquid Share definition Flag A person who never gives a definite opinion. Tries to satisfy everybody with this behavior, ends up pissing everyone off. A spineless loser, he takes the shape of the jar he's put in. Damn, he still didn't choose! He's so liquid! liquid by JanzoIT September 2, 2008 0 0 Get merch Get the liquid mug. Buy Now — $32.95 See more merch