RPN
n.— «A key direct marketing initiative for the postal service this year is repositionable notes, also known as “yellow stickies.” A test began this month allowing for the use of RPNs on some types of mail for which they are currently prohibited—but a fee also was instituted.» —“Deliver: Carriers, Suppliers Offer New Initiatives” by Melissa Campanelli DM News Apr. 4, 2005. (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...