That means face condom.
You know, face mask? I don’t make this up that German allows you to make this stuff up. It’s a popular national pastime.
Pandemic Inspires More Than 1,200 New German Words.
Like English, German also offers the possibility of combining of words, especially nouns. The resulting noun chains in English typically feature spaces or hyphens between the different elements, while German ones normally appear as one word. The German penchant for creating complex compound nouns has long been the stuff of comedy. Mark Twain devotes part of his essay on The Awful German Language to these “curiosities,” and many people are familiar with ones like “der Donaudampfschifffahrtsgesellschaftskapitän” (the Danube Steamship Navigation Company Captain).