Top Definition
Cool story, bro. When someone tells you a boring story that really needn't be shared. Sarcastically replied.
Fred: "Yesterday I got a cut, so I put a band-aid on it."
Nick: "CSB."
von JewForensicsGirl 8. Mai 2010

When someone tells a personal story (usually sad, depressive), in a chan, and you don't give a shit.
It sucks to be you; CSB
von Tutzz 11. Juli 2009
"Cool Story Bro." By douchebags for douchebags.
Douche 1: Bro, i was at the bar last night pickin up babes and i saw Denzel Washington!

Douche 2: Csb.

Douche 1: Wow...
von nikehitops 24. September 2011
From Tourette's Guy;

Chicken Shit Bull Shit:

a phrase signifying an unworthy thing or task
"I don't have time for this chicken shit bull shit CSBS."
-Tourette's Guy
von brumm09 15. April 2009
Certified Slow Burner. A blunt that burns for days. Not a loose skeet blunt but one that makes it around and around.
noob: man this blunt is way better than anything i've ever seen.

certified stoner: yea man if you're not smoking a C.S.B., then you need to step your game up.
von uc314 26. September 2010
When someone tells an extremely lame or pointless story, respond with "CSB." It stands for "cool story, bro."
"One time I put in my contacts and I forgot about them and then I put on my glasses and I was like "WOAH!""
"That was a major CSB dude"
von shadynasty 3. Oktober 2013
cool story bro.
if you dont really care what the person is saying you say csb.
Daughter: OMG i totally just had sex
Father: csb
von mackmackk 30. Januar 2011

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