Foolgandery Share definition Flag 1. Foolish, irresponsible, or absurd behavior.2. A reckless or nonsensical idea. “His scheme to power the science fair volcano with soda and a leaf blower was unmistakable foolgandery.” Foolgandery by Xarios December 8, 2025 0 0 Get merch Get the Foolgandery mug. Buy Now — $32.95 See more merch