Fomble Share definition Flag a mixture between fondling and fumbling; ie- the awkward moment when you accidentally trip and grab someone's junk. "Jay was walking down the aisle in Math, tripped, and accidentally fombled me... awkward". Fomble by Cat Lady & Science Brain December 5, 2011 0 0 Get merch Get the Fomble mug. Buy Now — $32.95 See more merch