The tie-ins (such as videogames, toys, cartoons) to the batman movies, 60's series and comics were worth several times the amount of the actual product.
Occurs when you're on the rag and giving a guy who's wearing a tie a blow-job. Just before he shoots his load, you reach up and forcibly yank his head downwards so he jizzes in his own face. As he blinks in shock and awe at you, you grab your tampon string and pull it out swiftly, daubing his forehead with a bloody bindi.