unicorn defense
n.— «The mixup occurred when a deputy prosecutor misunderstood an e-mail from a colleague who used the phrase “unicorn defense,” thinking it was an actual statement from Holliday, Paxinos said. “Unicorn defense” is a slang term used by prosecutors when a defendant blames some mythical person for a crime, he said.» —“Prosecutor: Unicorn defense was a mixup” in Billings, Montana Herald News Daily Mar. 14, 2007. (source: Double-Tongued Dictionary)
Further reading
In the 15th century, the word respair meant “to have hope again.” Although this word fell out of use, it’s among dozens collected in a new book of soothing vocabulary for troubled times. Plus, baseball slang: If a batter...
Eric from West Lafayette, Indiana, wonders which phrase is correct when referring to “making the grade” or “meeting expectations”: Is it cut the mustard or cut the muster? It’s the former, a reference to the strong...