Top Definition
The action of celebtrating National Boob Day, January 7th, on Tumblr.
Hundreds of people changed their URL to somthing with boobs in it and posted about boobs for the entire day, essentially starting a boob riot on Tumblr.
Dude, this is a boob riot. Just look at all the boobs!
by rawrgirlyoucrazy January 07, 2012

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