Flimsy.—A bank note, according to Cobbett a very flimsy thing.
Floored.—Knocked down.
Flowers of Society.—The ornaments of high life, the upper classes.
Flue Fakers.—Chimney sweepers.
Fly.—Knowing, wide awake.
Fogle.—A handkerchief.
Fork out.—To give money.
Four Eyes.—The man and the spectacles.
Free-and-Easy.—A singing-club, held at public-houses.
Freshwater Bay.—The harbour of the Fleet-Prison.