no. in my college town (the only place I would've theoretically walked through a drive through drunk) it was well known that they wouldn't serve people on foot, to avoid that exact thing
Yes, usually in a role play, but once to avoid being recognized
Have you ever harvested dandelions and/or other local herbs to use in a salad? (As a side note do not do this from cultivated lawns because they're often covered with herbicides and pesticides that are dangerous. Do it from wild places)