To be in a quandary: to be puzzled. Also one so over-gorged, as to be doubtful which he should do first, sh—e or spew. Some derive the term quandary from the French phrase qu’en dirai je? what shall I say of it? others from an Italian word signifying a conjuror’s circle.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
quaking cheat * quarrel-pickerNathan Bailey's 1721 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes