From Project Gutenberg, Francis Grose’s Dictionary in the Vulgar Tongue was published in 1811 and gives the reader a full account of the slang, swears, and insults used at the time.

FLOGGING CULLY. A debilitated lecher, commonly an old one.

COLD PIG. To give cold pig is a punishment inflicted on sluggards who lie too long in bed: it consists in pulling off all the bed clothes from them, and throwing cold water upon them.

TWIDDLE-DIDDLES. Testicles.

TWIDDLE POOP. An effeminate looking fellow.

ROUND ROBIN. A mode of signing remonstrances practised by sailors on board the king’s ships, wherein their names are written in a circle, so that it cannot be discovered who first signed it, or was, in other words, the ringleader.