Top Definition
Operation O is a day dedicated to weed, people put money together and buy an ounce of weed. They sit at someones house and smoke it all, usually starting at 12:00 pm. It also could mean a day when everyone buys and ounce to themselves.
"We're pulling Operation O on saturday at Drake's"
by diseased sheep July 12, 2006
7 Words related to Operation O

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