1)To eat a relatviely narrow range of food choices at weird hours and with weird people. All the good foods are not eaten, and instead are replaced with crap foods.
2) To practice a dietary regimen that leaves one short and surly, with a ghetto booty parted in the middle by a range of thong underwear
Agriculture that provides food to the farmer and his/her family, with little or no product for trade. The practitioners are very susceptible to famine.