high-marking
n.— «Did a practice called “high-marking” cause the avalanche that killed two Iowa men? Witnesses say the men were competing to see who could drive their snowmobile farthest up a hillside near Rocky Mountain National Park in Colorado.» —“Avalanche Kills Two Iowa Men” in Colorado KCRG-TV (Cedar Rapids, Iowa) Jan. 3, 2006. (source: Double-Tongued Dictionary)
Further reading
There are eight major planets, but more than a million minor ones, including asteroids. If you discover one, you get the honor of naming it. The Dictionary of Minor Planet Names includes minor planets named for rock bands, jazz musicians, poets, and...
One of the celestial bodies listed in The Dictionary of Minor Planet Names(Amazon) is called Sumaura. It’s the name of the oldest private elementary school in Kobe, Japan, and was suggested by the discoverer’s son. This is part of a...