fungletard Share definition Flag A portmanteau of bungle, fucker, and retard. It means all of these, but it is an insult greater than the sum of its parts. “Billy spilled a whole bucket of hummus, but then ate it off the floor. What a fungletard.” fungletard by Lungeye April 7, 2019 0 0 Get merch Get the fungletard mug. Buy Now — $32.95 See more merch