buddy letter
n.— «“We’ve seen people who refused treatment at the time,” she said. “What we advise people is to search for and submit new evidence.”…She said veterans have also had some luck in introducing as evidence what is called “a buddy letter”—a signed affidavit by a witness to the injury.» —“The pain lingers” by Stacy Milbouer Nashua Telegraph (New Hampshire) Oct. 15, 2007. (source: Double-Tongued Dictionary)
Further reading
If you speak a second or third language, you may remember the first time you dreamed in that new tongue. But does this milestone mean you’re actually fluent? And a couple’s dispute over the word regret: Say you wish you’d been able...