Frompadompus Share definition Flag The built up fat on a woman's shoulder blade while wearing open back clothing or a dress. Man that girl's frompadompus is showing. It probably wasn't a good idea to wear that spaghetti strap. Frompadompus by Frompadompus February 4, 2013 0 0 Get merch Get the Frompadompus mug. Buy Now — $32.95 See more merch