As Tere taught me when she was down for a visit one time, it's also called an "hucha," which is the word for a coin slot (in a piggy bank for example). Click here for that conversation.
It's juvenile, I know, but I can't be expected to be mature and appropriate ALL the time. I promise to do better tomorrow when I share the story of Erotic Tapas in Fuengirola. Seriously.
(The cracks get bigger. Just click any image. Go ahead. I dare you.)