To arrest a debtor. The gill bummed the swell for a thimble; the tradesman arrested the gentleman for a watch.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
Bum * Bum TrapNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes