Although there is a ton of good info explaining the smart way to cut weight for wrestling, some still turn to the outdated and ineffective forefinger-down-the-throat strategy. Not only is it counterproductive, it's also dangerous in the long term, as the bile left over from vomiting can damage the lining of the esophagus.
Other athletes have taken to the habit of vomiting prior to competition. Legendary NBA center Bill Russell would vomit prior to big games, as would legendary NFL quarterback Jim Kelly. "We were not ready to go on that field until we heard Jim puke. Once he started puking, everybody would just start screaming 'all right, let's go, we're ready!," Mark Rush, a former teammate of Kelly's in Buffalo, was quoted as saying in the book Super Bowl Monday. While vomiting prior to a game can be a sign of intense nerves, it could also be a sign you need to re-evaluate your pre-game meal.