The one bro in a group of bros who decides to stay sober and collect stories from the night, he/she is a good story teller with a good memory and isn't afraid to slightly stretch the truth to make stories more enjoyable. This bro is then entitled to tell said stories to other bros who were not around at the time.
Bro 1: Hey man so what did you guys do at that party last night?
Bro 2: I couldn't tell you man I don't remember a thing!

Bro 1: Oh damn must have been pretty wild then...
Bro 2: For real bro, ask Jason! He's our story bro.
by Inkpw2 December 23, 2011
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A phrase sarcastically used to indicate one's disgust or indifference towards a tl;dr story.
Person A: (lengthy tale about how Person A tragically broke up with his/her mate the other day)

Person B: cool story bro
by a1b2c3d4e5 January 6, 2009
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An appropriate response to a story that went nowhere and/or was completely uninteresting.
"This one time me and my brother were eating sandwiches and he was like 'dude, I hate mustard' and I was like 'yeah.'"
"Cool story bro."
by Geneva H February 7, 2009
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Phrase used sarcastically to express a lack of interest in what the other person is saying. Often written on the Internet as, "cool story bro".
Person 1: "I think people who listen to metal are mindless idiots."

Person 2: "Cool story, bro."
by thefoureyedfox October 24, 2008
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A response to a story or piece of information that you find boring, or is too long and you don't want to read it.
One extra note, though. The only proper use of "Cool story, bro" is to say it exactly as it is in the quotes. Any other variation ("Interesting tale, brethren", "Wonderful retelling, sibling") should never be used under any circumstances, and will make you look like a complete failure to everyone who reads it.
Me: Yeah, so I was at the mall eating some corn dog when this guy walks by.

You: Cool story, bro
by Punchrocket Piers July 16, 2009
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The way you begin your story when you are about to lie to your friend or make an excuse.
Example1:

Christian: So Philip told me that he saw you watch a movie with my sister last Friday night.

DJ: Haha, Funny Story Bro....

Example2:

Jordan: So I heard you slept over my girlfriend's house last Friday night.

DJ: Haha, Funny Story Bro...
by DJ Imperial February 15, 2011
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A sarcastic way of acting like you give a shit of what the other person has to say. Usually this phrase best pertains to Facebook updates and mundane stories with pretty much no point or purpose.
-Bob: Frosted Flakes are bomb, dude!

-Joe: Cool story, bro!

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Facebook update:

-John is going to get a bananna at the store

-You: Cool story, bro!
by NeverCaughtSlippinKrew February 25, 2010
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