mach diamond
n.— «Nerves jangling, he awaits the moment when Carpe Diem, his homemade 18-foot-long rocket, hurls itself heavenward with 737 pounds of thrust, shockwaves—or “mach diamonds”—surging from its supersonic exhaust.» —“A Cult of Backyard Rocketeers Keeps the Solid Fuel Burning” by Patricia Leigh Brown in Gerlach, Nevada New York Times Oct. 14, 2006. (source: Double-Tongued Dictionary)
Further reading
It was a dark and stormy night. So begins the long and increasingly convoluted prose of Edwards Bulwer-Lytton’s best-known novel. Today the annual Bulwer-Lytton Contest asks contestants for fanciful first sentences that are similarly...
Heidi from Reno, Nevada, shares a bar game in which players take turns trying to recite by memory the increasingly long concatenation of phrases one fat hen, a couple of ducks, three brown bear, four running hare, five fickle female, six simple...