Suggested derivation from:
Americanisms; the English of the New World
By Maximilian Schele De Vere, 1872
Cant and Slang.
From: The Port Folio
Volume III. New Series. 1807
Letter from Mustapha Rub-A-Dub Keli Khan
To Asem Hacchem principal slave-driver to his highness the Bashaw of Tripoli.