1 definition by Frankie Boom Botz

"Cool story, bro" is an expression used to actualize the insignificance of stories or statements that are falsely believed to be very significant by the individual that is sharing them. Usually a condescending response to a self-indulgent based monologue, this phrase is often used when the speaker's story is, in acutuality, not very cool at all. If used to positive effectiveness, the person(s) applying this expression may sufficiently help the speaker to realize how insignificant their story and/or statement truly is.
Scenario: Seth brings his surfboard to the beach on a day when the ocean is evidently very flat.

Surfer: "Wow... I wish I would've brought my long board today."

Seth: "I know, man. I checked the surf report this morning, and there were supposed to be some pretty gnarly waves."

Surfer: "Really?.... Cool story bro."
by Frankie Boom Botz July 26, 2011
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