Weak. A puny child; a weak little child. A puny stomach; a weak stomach. Puny, or puisne judge; the last made judge.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
Punk * Pupil MongersNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes