A rude romping boy or girl; also a gadabout dissipated woman. To ride rantipole; the same as riding St. George. See St. GEORGE.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
See also the definition in Nathan Bailey's 1736 dictionary of canting and thieving slang.
Rantallion * Rantum ScantumNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes