Bloody kids fetishishing french bourgeois decadence and attacking good proletarian words

“person’s name, especially a nickname or alias,” 1849, said to be originally a hobo term (but monekeer is 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”).