Cool BEANS

Cool beans but cooler because the beans part is capitalized. <- what people thinks

Sarcastic way of saying cool beans. You don't mean it. Or you don't believe it. <- Real definition

Some dude: When I was two, I could cook pasta.
You: Cool BEANS! I never known you were that smart. And I never knew you could bear extreme heat.

Some dudette: I'm hot.
(The single) You: Cool BEANS! Guess what? I have a boyfriend/girlfriend!