To saddle the spit; to give a dinner or supper. To saddle one’s nose; to wear spectacles. To saddle a place or pension; to oblige the holder to pay a certain portion of his income to some one nominated by the donor. Saddle sick: galled with riding, having lost leather.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
sad dog * saintNathan Bailey's 1721 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes