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14.
It is originally from Boston, when the baked beans that had just come out of the oven were cool enough to eat, the cook would announce, “Cool Beans.” It became more popular recently as a result of a Bush Beans commercial in the mid 80s, when the talking dog, Duke, said it in one of their commercials.
Mike: I got the new madden game.

Joe: Cool beans
by slimshady7 October 16, 2009
 
1.
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
 
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
 
3.
good, cool , the desired outcome
you got the tickets? COOL BEANS!
by juice November 03, 2002
 
4.
a slightly 70's style phrase which acts as an exclamation of approval to a previous statement
'i just got that girls number!'
'cool beans!'
by jimbob brown April 06, 2006
 
5.
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
 
6.
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
 
7.
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.
by Robinharryandnotthefalcon May 26, 2013