Green’s Dictionary of Slang

Tom Sawyer n.

[rhy. sl.; ult. Tom Sawyer, novel (1876) by US writer Mark Twain (Samuel Langhorne Clemens, 1835–1910)]

a lawyer.

[UK]R. Puxley Cockney Rabbit.
[UK]B. Kirkpatrick Wicked Cockney Rhy. Sl.