To abuse, and tear to rags the characters of the persons abused. She gave him a good ragging, or ragged him off heartily.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
Rag-1 * Rag CarrierNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes