When the the phrase "cool
beans" is said, it usually means "cool" but its even cooler to add the
beans. Also said when one is telling a story and when is done you don't really care so you just say "cool
beans"
kid 1: "YA then we went swimming"
YOU: "Cool
beans."
or
kid 1: "you know what sucks?"
YOU: "what?"
kid 1: "my
gf dumped me"
YOU: "cool
beans."
(a way to lose a friend quickly)