whoop
n.— «Much of the trail has developed a “cupped” condition, with a large berm of soil having built up on the outside edge of the trail. In places, the cupping is quite deep, and the undulations in the trail (known as “whoops” in motorcycle parlance) are growing.» —“Volunteers Work Howard’s Trail” by Chris Leman SunValleyOnline.com June 19, 2007. (source: Double-Tongued Dictionary)
Further reading
During the late 19th and early 20th century, thousands of volunteers helped crowdsource the Oxford English Dictionary. This venerable reference work includes citations sent in by inventors, eccentrics, scientists and educators, an Arctic explorer —...
In the 19th century, the Oxford English Dictionary was a bit like the Wikipedia of its day, in that much of its information was crowdsourced, gathered by thousands of volunteers. Linguist and lexicographer Sarah Ogilvie tells the stories of many of...