vomit comet
n.— «Officially, NASA’s C-135 was designated the Reduced Gravity Aircraft; unofficially, hapless trainees dubbed it the “vomit comet,” “barf buzzard,” and “weightless wonder.”» —by Roger E. Bilstein in National Aeronautics and Space Administration Orders of Magnitude , 1989. (source: Double-Tongued Dictionary)
Further reading
You may have a favorite word in English, but what about your favorite in another language? The Spanish term ojalá is especially handy for expressing hopefulness and derives from Arabic for “God willing.” In Trinidad, if you want to ask...
If someone urges you to spill the tea, they probably don’t want you tipping over a hot beverage. Originally, the tea here was the letter T, as in “truth.” To spill the T means to “pass along truthful information.” Plus...