When a fat person has so much fat on their bodies that it has actually started folding over itself and looks discusting unless you like to recieve fat wanks.
"Oh my god! That bitch has some serious fat folds going on!"
a excess of human skin found on obese persons that overlaps itself, creating small pockets in which some believe small pieces of food can be tucked away for later.
"Instead of finishing his 4th Whopper, he simply tucked it in his fat folds for later."