40 ounces of pure joy. Commonly associated with a 40 oz. of Malt Liquor or other tasty and intoxicating substance.
Brosiff1: "Bro man, what you got in da bag?"
Brosiff2: "A fo-d man."
Brosiff1: "Shit! Share the goods man."
Forty of Malt liquor
me and my nizzles were sippin on a Fo-D