I'm tired of being nice to every poor fish in school." "You're not a slicker," said Amory suddenly.
"A what ?" "A slicker." "What the devil's that ?" "Well, it's something that--that--there's a lot of them.

You're not one, and neither am I, though I am more than you are." "Who is one?
What makes you one ?" Amory considered.
"Why--why, I suppose that the _sign_ of it is when a fellow slicks his hair back with water." "Like Carstairs ?" "Yes--sure.

He's a slicker." They spent two evenings getting an exact definition.

The slicker was good-looking or clean-looking; he had brains, social brains, that is, and he used all means on the broad path of honesty to get ahead, be popular, admired, and never in trouble.

He dressed well, was particularly neat in appearance, and derived his name from the fact that his hair was inevitably worn short, soaked in water or tonic, parted in the middle, and slicked back as the current of fashion dictated.