What's the difference between i.e. and e.g.?
a person who successfully manipulates people or situations
Professional athletes tend to be smooth operators.
A person who is attractive, pleasant, and full of finesse: thought of Dr Hugo Barker as a smooth article/ You think you're such a smoothie
[1933+ Students; smoothie is like slicker, but today lacks the connotations of dishonesty and trickiness]