clackerballs Share definition Flag a 1960 toy that had two acrylic balls hanging from a string that you click clacked together Lets have a contest and see who could clack their clackerballs the longest. clackerballs by littleredridinghood_50 August 30, 2011 0 0 Get merch Get the clackerballs mug. Buy Now — $32.95 See more merch