ROAST-Meat-Cloaths,
Holiday-Cloaths. To rule the Roast, To be master or Paramount. Roasted, Arrested: I'll Roast the Dab, I will arrest the Rascal: To Roast, signifies also to rally; to teize, to hunt, or banter.
The Vulgar Tongue originally collected by Grose, 1811.
Also see examples in Canting Songs and Slang Rhymes collected by John S. Farmer (1896).