fataphobe Share definition Flag Someone who is uncomfortable around "large","big", "wide" or"fat" ....people. Person1:"OMFG! LOOK AT THAT FATASS BITCH!!" Person2: "Dude, dont be such a fucking fataphobe". fataphobe by Ferron April 19, 2005 0 0 Get merch Get the fataphobe mug. Buy Now — $32.95 See more merch