from The Century Dictionary and Cyclopedia
- n. A trick practised upon simple people by rogues in various ways. One mode is described in the quotation.
Sorry, no etymologies found.
Or there is the ring-dropping trick, it is as old as the hills.
1 The practice of ring-dropping is not wholly confined to
Real Life In London, Volumes I. and II. Or, The Rambles And Adventures Of Bob Tallyho, Esq., And His Cousin, The Hon. Tom Dashall, Through The Metropolis; Exhibiting A Living Picture Of Fashionable Characters, Manners, And Amusements In High And Low Life (1821)