1) someones amazement is shown.
2) you can't be bothered to think of suitble adectives, so you say "cool beans" as a replacement.
3) the person shows taste in vocabulary.
4) you show that you, yourself, are cool.
You: wow! cool beans!
Jim: I grated a carrot today and cut my finger
You: *sigh* cool beans
Kevin: Do you know what "antidisestablishmentarianism" means!?
You: I "cool beans" to you, sir.
You: COOL BEANS!
Crowd: *shock and awe*
related to the familiar word cool. But above and beyond the meaning as if you were to times the word by 789 to the infinite.
use this word in any senario...
person2: oh snap! how rad was that?!
person1: It was hella cool beans!
F - aw heyel no, you di'ent just call be a south arabian albotross. nu uh uh you did not. *snap*
M - oh no no no, i aint gettin up in yo grill. you must of heard me wrong. i said we cool beans
F- aww yeuuhh. we cool, we cool. infact we cool beans.
M- sounds cool beans to me ;)
Person 2: I'm gonna go to Cool Beans and watch Johnny belittle some giggling idiots.
Person 1: May I join you for said activity?
Person 2: Of course.