Printing, Journalism. matter set, by union requirement, by a compositor and later discarded, duplicating the text of an advertisement for which a plate has been supplied or type set by another publisher.
1825-30, Americanism; originally an apparatus for coining false money; perhaps akin to bogy1
"counterfeit money," 1839, Amer.Eng., apparently from a slang word applied in Ohio in 1827 to a counterfeiter's apparatus. Some trace this to tantrabobus, a late 18c. colloquial Vermont word for any odd-looking object, which may be connected to tantarabobs, recorded as a Devonshire name for the devil. Others trace it to the same source as bogey (1).