Top Definition
placing a 40 oz container of malt liquor in the toilet tank to hide it & keep it cold
Johnny told Freddie he's floating a 40, Freddies supervisor had no idea what he was talking about & dismissed the term, afterwhich Freddie & Johnny went & sucked back a cold one with no one being the wiser!
by G in da haus September 21, 2009
5 Words related to floating a 40

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