Billy-bob Teeth Mega Bucks (aka Tombstones) The Billy Bob Mega Bucks with Tobacco Stained Costume Teeth will convert any costume into a masterpiece! Billy Bob Teeth are super realistic teeth made with the same acrylics used in making dentures! A package of thermal fitting beads is included for easy application. The Billy Bob Mega Bucks with Tobacco Teeth are full sized and will fit most adults.