aerocrunchophobia Share definition Flag The fear of a big, giant, fat guy being assigned the middle seat, next to you, on an airplane. As seats become more compact on planes, the incidence rate of aerocrunchophobia will rise. aerocrunchophobia by WIngnut 62 January 8, 2015 0 0 Get merch Get the aerocrunchophobia mug. Buy Now — $32.95 See more merch