non-paper
n.— «The SPD sources also confirmed that Soviet Ambassador Semyonov did deliver a “nonpaper” (diplomatic jargon for an unofficial message) in early February that hinted at a message of mediation.» —“Willy Brandt: go-between in US-Soviet dispute?” by Joseph Joffe in Hamburg Christian Science Monitor Feb. 28, 1980. (source: Double-Tongued Dictionary)
Further reading
Understanding the varieties of conversational styles can mean the difference between feeling you’re understood and being insulted. “High-involvement” speakers interrupt or talk along with someone else to signal their enthusiasm...
A flashlight emits a steady beam of light. So what’s the flash part of that word about? Also, if you’re a nervous Nellie, you’re skittish and indecisive—both characteristics of an American politician who earned that nickname in the...