bobtail
n.— «An American would be riding in the lead vehicle as commander and driving the last one as “bobtail”—a truck without a load that acts as a sort of sheepdog, rushing to help with any problems and making sure no one has drifted out of formation.» —“Truckers of Iraq’s Pony Express Are Risking It All for a Paycheck” by James Glanz in Safwan, Iraq New York Times Sept. 27, 2004. (source: Double-Tongued Dictionary)
Further reading
Is there such a thing as a “neutral” accent, and if so what does it sound like? And that quirk in the way southern Californians talk about freeways. They’ll say things like take the 405 and get on the 8. Why the definite article...
Floordrobe is the new word for an old habit: piling your clothes on the floor instead of putting them away. The Oxford English Dictionary recently added an entry for it, defining floordrobe as “an untidy heap of discarded clothing left on the floor...