All in a pucker; in a dishabille. Also in a fright; as, she was in a terrible pucker.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
Public Ledger * Pucker WaterNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes