slyboots

from WordNet (r) 3.0 (2006)

slyboots
    n 1: a shifty deceptive person [syn: {dodger}, {fox},
         {slyboots}]

from The Collaborative International Dictionary of English v.0.48

Slyboots \Sly"boots`\, n.
   A humerous appellation for a sly, cunning, or waggish person.
   [1913 Webster]

         Slyboots was cursedly cunning to hide 'em. --Goldsmith.
   [1913 Webster]