The term 'drugged, as a racehorse' can be summarized as the act of administering drugs to a racehorse in order to improve its performance. This practice is illegal in most countries and is considered unethical by many horse racing organizations. The crossword solution for this term is 'DOPED, ' which is a five-letter word. Doping is a form of cheating and can have serious consequences for both the horse and the trainer.