"slickers" in the noun sense
1. oilskin, slicker
a macintosh made from cotton fabric treated with oil and pigment to make it waterproof
a person with good manners and stylish clothing
3. deceiver, cheat, cheater, trickster, beguiler, slicker
someone who leads you to believe something that is not true
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License