subs. phr. (common).—A well-dressed pickpocket. Hence SWELL-MOB.

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  1843.  Punch, iv. 129. ‘A Thieves’ Chaunt.’

        Rich Charities the chapel throng;
  The SWELL MOB—they are there;
The Bishop’s sermon is not long:
  The foglehunter ware!

2

  1851–61.  H. MAYHEW, London Labour and the London Poor, II. 417. SWELL-MOBSMEN, and thieves, and housebreakers, and the like o’ that ere.

3

  1856.  The Quarterly Review, June, 182. The SWELL MOBSMAN’S eye is for ever wandering in search of his prey.

4

  c. 1860.  DICKENS, Three Detective Anecdotes, ii. Some of the SWELL MOB … kidded us.

5

  1866.  HOTTEN, The Slang Dictionary, s.v. Public patterers, SWELL MOBSMEN who pretend to be Dissenting preachers, and harangue in the open air to attract a crowd for their confederates to rob.

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