1857, William_Makepeace_Thackeray, The Virginians, ch. 83:"Oh, you slyboots!" says the Countess. "Guess you come after the old lady's money!"
1922, James_Joyce, Ulysses, episode 15:You're such a slyboots, old cocky. I could kiss you.
2004, Umberto_Eco, The Mysterious Flame of Queen Loana, trans. Geoffrey Brock, Harvest/Harcourt (New York), p. 54:This slyboots took me for a ton of money, made me do whatever she wanted.
