Somehow reminds me of those "free beer tomorrow" signs.
You might be able to do something with a chain or restaurant that is on both ends, a little coin they can take from one to the other if they're driving all the way.
There's a bar I walked passed at some point that had a sandwich board out front that said something like: we are known for friendly women, free beer, and false advertising.
Semi-related, I sometimes see a photo of some bar advertising (IIRC) discount for bringing your spouse XOR lover, and free drinks if you bring both at the same time.
we need more prankster (gentle and funny) culture in this world...
Like how the Swedes have a prank whereby on a bachelor party they glue a fake beard to the groom... but they make the beard out of all the groomsmens shaved pubes...
You might be able to do something with a chain or restaurant that is on both ends, a little coin they can take from one to the other if they're driving all the way.