land-sharking noun2 •The speculative purchase of large amounts of land for the sole purpose of selling it at a profit.The main object in making Colonists pay for their land, instead of the Government giving it to them, is to prevent what is called the land-sharking system. — 1865 •Any of various illegal or unethical practices around the sale or lease of land, such as criminally forcing sales, fraudulently selling land, charging exorbitant rents, etc.In Tokyo fifteen years ago, land-sharking of that kind had been rampant, though not always easy to detect. — 2017