Dust Off n. the military program of medical evacuation and transportation by air; an instance of such travel; a helicopter used for this purpose. Also dust-off. Etymological Note: The origin of this term is accurately described in the 1982 citation, which refers to events that occurred in 1963. The acronym given in the 2007 citation is a backronym, one created to match the existing term and not the original acronym or origin of “Dust-Off.” (source: Double-Tongued Dictionary)
Further reading
A Wisconsin wonders if anyone outside her family uses the word funsel, possibly spelled funcil, to denote “a single strand of leftover cobweb hanging from the ceiling.” That one may be all their own, but another word she asks about, gnurr, meaning...
When there’s no evening meal planned at home, what do you call that scramble to cobble together your own dinner? Some people apply acronyms like YOYO — “you’re on your own” — or CORN, for “Clean Out your Refrigerator...