ETYM French soupe, Old Fren. sope, supe, soupe, perhaps originally, a piece of bread; probably of Teutonic origin; cf. Dutch sop sop, German suppe soup. Related to Sop something dipped in a liquid, and cf. Supper.
1. Liquid food especially of meat or fish or vegetable stock often containing pieces of solid food.
2. (Informal) An unfortunate situation.
3. (Informal) Any composition having a consistency suggestive of soup.

To dope a racehorse.