freight dog
n.— «Prince said Gross had been a flight instructor and a “freight dog” for the company for four years. A freight dog is a term for a pilot who flies cargo.» —“Pilot in plane crash identified” Pantagraph (Bloomington, Illinois) Nov. 10, 2005. (source: Double-Tongued Dictionary)
Further reading
Asthenosphere, a geologist’s term for the molten layer beneath the earth’s crust, sparks a journey that stretches all the way from ancient Greece to the author of Uncle Tom’s Cabin. Plus: What the heck is a dogberg? It’s when...
After our chat about tongue twisters, a Chicago, Illinois, listener shares one that looks much easier than it sounds: Irish wristwatch. This is part of a complete episode.
Related