No link navigation bar

This topic has been covered in the past, but only with older versions of Rapidweaver and it could use a refresher. When creating sub-menus in the navigation bar it can be helpful if the parent menu does not link to anything. How can you disable this? The old way used to be creating an offsite page and linking to “#”. Any suggestions?

My site is:

Old way is still used. You can check out joes video on navigation for foundation. A lot of it would apply to ant theme.