monkey board
n.— «The men were injured when a finger came out of a monkey board knocking both men down and falling across them.» —“Two Men Injured In Oil Field Accident” in Raymondville Valley Morning Star (Harlingen, Texas) July 24, 1945. (source: Double-Tongued Dictionary)
Further reading
On a busy day in the emergency room, Alisa of Dallas, Texas, told an efficient colleague that she was really humming, meaning it as a compliment. Her colleague took offense, maintaining that humming meant “smelly.” Since the 18th...
What if, instead of being an inanimate object, a dictionary were alive? That’s the idea behind a lavishly illustrated new children’s book called The Dictionary Story (Bookshop|Amazon) by Oliver Jeffers and Sam Winston. This is part of a...