quacky

Etymology
From.

Adjective

 * 1)  That resembles the quack of a duck.
 * 2) Fraudulent; characterised by or using the methods of quackery.
 * 3) * 1998 September 9, Joni Mitchell, interview quoted in 2003, Alan Hecht, Polio, page 72,
 * I know this sounds real quacky but they did some mysterious good to the problem and I feel fine.
 * 1)  Infested with quackgrass.
 * 2) * 1859, The Cultivator, Volume 7, 3rd Series, page 54,
 * After the first hoeing of a quacky crop, it is often well to go over it lightly in the middle of a hot day, just skimming the surface of the soil, and cutting off the young grass.
 * 1) * 1914, New York (State) Department of Agriculture, Annual Report, Volume 1, Part 2, page 544,
 * When would you advise plowing sandy soil that is quacky for beans?
 * 1)  Infested with quackgrass.
 * 2) * 1859, The Cultivator, Volume 7, 3rd Series, page 54,
 * After the first hoeing of a quacky crop, it is often well to go over it lightly in the middle of a hot day, just skimming the surface of the soil, and cutting off the young grass.
 * 1) * 1914, New York (State) Department of Agriculture, Annual Report, Volume 1, Part 2, page 544,
 * When would you advise plowing sandy soil that is quacky for beans?
 * 1) * 1914, New York (State) Department of Agriculture, Annual Report, Volume 1, Part 2, page 544,
 * When would you advise plowing sandy soil that is quacky for beans?
 * When would you advise plowing sandy soil that is quacky for beans?