This whole debate is so warped tbh. No-one ever says that voting for a candidate/party who would have won anyway is "throwing your vote away" but it does exactly as much good as not voting at all. Similarly, if you wake up the day after the election, and the Bad Dude won, well, your vote wouldn't have changed anything anyway.
You can register your dissent by voting third party. It's not much, but that's all you're allowed to do.
The irony is that OPs sandwich is legit the whitest thing I have ever seen