Phantom Calorie Share definition Flag aka Ghost Calorie, when someone engages in a strict diet but still gets fat. 'She's been on like a diet since like 2002, wtf is wrong with those like phantom calories.' - Elaine Phantom Calorie by 'Filthy Mortal Child' July 28, 2018 0 0 Get merch Get the Phantom Calorie mug. Buy Now — $32.95 See more merch