living off the fat of the land

The phrase "living off the fat of the land" typically means to thrive or enjoy prosperity by making full use of the available resources. It often implies a comfortable and abundant lifestyle, where one benefits from the fruits of their labor or from the richness of their surroundings. The phrase can also be used more literally to describe a way of life where one sustains themselves primarily through agriculture or farming, by utilizing the bountiful resources provided by the land.