Hannah from Menominee, Michigan, grew up hearing her father invite people out for a drive with, Let’s go for a scud. He traces it to an inside joke about his 1976 Mercury Montego MX and the names of MX and Scud missiles, but scud is also an old verb...
scud running
n.— «By the way, this type of flying—just under the fog layer—is sometimes called “scud running” by pilots.» —“Circumnavigating Houston” by Robert Laird Texas-Flyer Oct. 5, 2002. (source: Double-Tongued Dictionary)

