sweetbreads Share definition Flag A term reffering to the edible testicles of the animal generall known as a 'sheep'. Traditional farming cuisine. Fred - "mmmm sheila this meals fantastic" Sheila - "Why yes they're sweetbreads" sweetbreads by Shazza June 12, 2005 0 0 Get merch Get the sweetbreads mug. Buy Now — $32.95 See more merch