[Romany.] ǁ a. As a gipsy word: A book. b. slang. (See quots.); also a five-pound note (Farmer).
1812. J. H. Vaux, Flash Dict., Lill, a pocket-book.
1851. Borrow, Lavengro, I. xvii. 219. Then the more shame for youa snake-fellowa horse-witchand a lil-readeryet you cant shift for yourself. Ibid. (1857), Romany Rye, ix. (1900), 58. Lor, brother! how learned in lils you are!
1859. Matsell, Vocab. (Farmer), Lil, a pocket-book. Lill, a bad bill.