Definition - What does B-40 mean?
B-40 is a cannabis slang term. It refers to a blunt that is dipped in malt liquor. The term is also sometimes used to refer to just the act of smoking a blunt while drinking a 40-ounce can of malt liquor. A blunt is a cigar that has been hollowed out and packed with marijuana plant material. Blunts are also made by using sheets of tobacco cigar paper and rolling a joint with the paper.
MaximumYield explains B-40
A B40 is believed to get the user higher than a typical joint. The combination of tobacco leaf paper and the marijuana plant material all works together to create a lightheaded, dizzy body high. Some users also feel that dipping the blunt into malt liquor also helps enhance the high and the taste of the blunt. Other people just say that they are going to to have a B40 whenever they plan on smoking a blunt while downing a 40-ounce can of malt liquor.