1. The bottom line of things, practical and honest.
2. A positive answer to someone, meaning you are convinced that what he or she said is true. Mostly has to do with an opinion that is so correct, you might as well think of it as a fact.
1. A: "I think I love my girlfriend."
B: "You think?"
B: "And Rasmi?"
A: "Oh, I don't know."
2. A: "This movie is the greatest movie ever made!"