fryborg Share definition Flag Noun: A semi-braindead freeloader, someone who gloms from everyone around him/her, a constant scrounge That guy, Mike, is such a fryborg! He asked to borrow my pack of gum! fryborg by KY2 January 6, 2008 0 0 Get merch Get the fryborg mug. Buy Now — $32.95 See more merch