much the same as its realtive term "ïpso facto" which means 'by the very fact', ipso fatso stands for 'by the very fat'. (2) Can be use as a term of endearment. In my case, my overweight kitty and best buddy, Magoo, is referred to as "ipso fatso" when he insists, at times, to be carried to his food dish. (3) In the feline world, a Garield! >^..^<
Magoo is called Ipso Fatso when he just can't motivate himsel to his food dish to eat AGAIN?!