Short for "kid boobs."
I wish I had DD's like Janelle, but I only have koobs.
by ernstwhile March 19, 2008
2 more definitions
Top Definition
Any Person bearing this moniker is likely to be one of the most interesting people you will ever meet. You never forget a Koob.
Guy 1: Did you hear that story Koob told?
Guy 2: Totally! I still don't believe he did that!
Guy 1: I didn't either, but then he showed me pictures.
Guy 2: What are the odds of finding 4 chicks who are THAT flexible, and THAT freaky, at ONE church function?
by Justin_Boober January 12, 2012
"book" spelled backwards
Wanna koob it?
by Nicole April 05, 2004

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