rat-racing n. a playful form of high-speed flying in which airplanes pursue or attempt to out-maneuver each other, similar to a game of cat-and-mouse. (source: Double-Tongued Dictionary)
Further reading
In one episode of The Great Pottery Throwdown, a soothing British reality show that features amateur ceramicists, someone jokes about spending a night on the tiles. In this case, the phrase has nothing to do with crafting tiles from clay. A night on...
Outer space, used with its modern meaning, appears as early as the 1840s in a poem by Emmeline Stuart-Wortley. Soon after, Alexander von Humboldt was using variations on it in his writings about the cosmos. By 1901, H.G. Wells was using outer space...