A British author named Vincent Holt published an essay advocating it in 1885, along with a nice selection of menus — moths on toast, anyone? — in a pamphlet called Why Not Eat Insects?

Depending on the selection (Source in this case), the number of options available changes on the menu that pops up when the user drops the cursor on the Diagram surface.

This tutorial illustrates how to implement a nice animated menu using Mootoolsand some lines of CSS and HTML code ready to reuse in your project.