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A slang term that actually began it's use in the late 60's/early 70's. Popularized by the pop culture of the time. Used to describe something very favorable or pleasing. Great. Very nice.
Cheech: Hey man, look at this car made out of weed!
Chong: Oh cool beans, man!
by Reverend Chaos January 13, 2004
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2
A synonym mainly used when words like cool, sweet, awesome, splendid, amazing, delightful, hell yeah, etc. get old.
"Hey, dude, I won the lottery."
"Cool beans!"
by Rosemary February 24, 2004
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3
Old slang from the World War II era, still perfectly acceptable today. Similar to "cool!"
1> Check out this rad shirt I bought!
2> Coolbeans!
by MoonKnight November 24, 2002
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4
A dish best served with awesomesauce and lightly simmered. When served together, the ultimate mix of breathtaking, amazing, and awesome. Delicious.

Served without, coolbeans is a synonym for cool.
Person 1: Dude, read this Urban Dictionary post!

Person 2: That was totally coolbeans.
by ThisisNotYou October 24, 2010
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When something is uber cool!

<i>Kelly Clarkson says "coolbeans!" often.</i>
"Hey Kelly! I froze some ding dongs for you!"

"Wow, really? Coolbeans!"
by KellyFreak April 29, 2005
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6
Awesome, surprising, funny, out-of-the-blue. Often relating to an act of supreme thoughtfulness or creativity, or to a situation that's just generally groovy.
Sam's internet surprises always make me smile; he really knows what's cool beans around here.
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