fast line n.— «Fast line—Quickest route around the oval and could be on the outside or inside of the track depending on conditions. This also is called the “groove” or “sweet spot.”» —“Learning the Lernerville lingo” by Paul Kogut Valley News...
cushion n.— «Cushion—Clay that piles up in the corners from the sliding cars. Those who prefer to run on the outside of the track can use this to push off and zip down the straightaways.» —“Learning the Lernerville lingo” by Paul Kogut Valley News...
dub n. an automobile wheel measuring twenty inches in diameter. (source: Double-Tongued Dictionary)
DNF adj. 1. did not finish, in course-based sporting events, such as boating, auto-racing, and horse-racing. 2. did not find, in geocaching. (source: Double-Tongued Dictionary)
d.n.f
adj.— «[boat-racing scores:] D.G. Millar, d.n.f.» —“Race Week Starts at Larchmont Y.C.” by James Robbins New York Times July 29, 1943. (source: Double-Tongued Dictionary)
DNF adj.— «The worst finish has been dropped in computing the standing in classes that have completed five or more races): dns–did not start; pms–premature start; dnc–did not compete; dnf did not finish.» —“Winds helpful to U.S. sailor in CORK...