Plunk Público Deposited
A slang term in the United States for a Dollar. George Vere Hobart, writing under the pseudonym II. McHugh, in his novel John Henry, 1901 (12), has a description of a theatrical performance with "Sarah Bernhardt at five plunks a chair."
- Frey's Dictionary (American Journal of Numismatics, Vol. 50, 1916)