Fool-Aid Share definition Flag when one subscribes to an idiotic set of ideas, and others follow along, agreeing with said stupid ideas, they are drinking the fool-aid Steve -Did you see Beyonce wearing that devil ring? She is the bride of satan!Jen (likes status) omg yes!Mary - looks like Jen is drinking the fool-aid Fool-Aid by deb8735 February 4, 2013 Get the Fool-Aid mug.