A very broad slang term for cannabis or substances derived, it can be used to refer to the buds themselves but is also used to talk about a bowl, joint, or pipe. It\’s suspected the name originates with the Spanish word \’grifa,\’ which means a drug addict. The slang term was popularized through the movie \’Reefer Madness,\’ an infamous propaganda piece that attempted to demonize the cannabis plant and its users.