Origin: 1850–55; probably < Shelta mŭnnik name (alleged to be a permutation and extension of Irish ainmname); final -er may represent -er1 or, as a spelling of ə, simply release of the k
1849, said to be originally a hobo term (but attested in London underclass from 1851), of uncertain origin; perhaps from monk (monks and nuns take new names with their vows, and early 19c. British tramps referred to themselves as "in the monkery").
n. a nickname. : With a moniker like that, you must get in a lot of fights.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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