What goes up but never comes down?

The Voyager pair of spacecraft. They went up, and are still up - way up outside the solar system.

You did not show us the image of the burger, but i shall try to answer as best i can.  when purchasing food, always consider the ingredients as well as the person who prepared it. consider if they were hygienic people or not, in case the burger was infected with bacteria. no mortal should place an infected burger into their mouth.