Hopping Giles; a nick name for a lame person: St. Giles was the tutelar saint of cripples.
Definition taken from The 1811 Dictionary of the Vulgar Tongue, originally by Francis Grose.
Gybing * GypNathan Bailey's 1736 Dictionary of canting and thieving slang
John S. Farmer's collection of canting songs and slang rhymes