vomit comet
n.— «It was the second flight on the aircraft for the athletes. On Tuesday, they were flown while strapped in their seats and blindfolded. During that flight the jet lived up to its nickname—the “vomit comet.” All of the athletes, but Johnson became ill.» —“Six World-Class Gymnasts Undergo Weightlessness Experiments” by Paul Recer Associated Press May 22, 1985. (source: Double-Tongued Dictionary)