Ruinenwert is the concept that a building be designed such that if it eventually collapsed, it would leave behind aesthetically pleasing ruins that would last far longer without any maintenance at all. (Thanks Wikipedia)
Schadenfreude is pleasure derived from the misfortunes of others. To wit: Philosopher and sociologist Theodor Adorno defined schadenfreude as “largely unanticipated delight in the suffering of another which is cognized as trivial and/or appropriate.” (Thanks, again, Wikipedia)
Abstoßungskraft is the moving force by which a material cause can act on any other to remove them, e.g. a repulsion force. Kant writes about this in his early metaphysical essays relating to the science of matter, and it has something to do with another wonderful word whose meaning eludes me: ‘Zurückstoßungskraft’. (Thanks to this translation site of German philosophical expressions, and a bad Google translation of this site)
Gesamtkunstwerk is an artistic creation, as the music dramas of Richard Wagner, that synthesizes the elements of music, drama, spectacle, dance, etc. A universal artwork, one which makes use of all or many art forms or strives to do so. First used by German writer and philosopher Eusebius Trahndorff in an essay in 1827, Wagner used it to describe the Attic Tragedy. (Thanks, Wikipedia & Dictionary dot com)
Volksverhetzung is a concept in German criminal law that bans the incitement of hatred against a segment of the population. You are guilty of this act if your acts are deemed to incite ‘hatred against segments of the population or call for violent or arbitrary measures against them’; or ‘assault the human dignity of others by insulting, maliciously maligning, or defaming segments of the population’. (Thanks, Wikipedia)
Want some more examples? Take these:
1. Korinthenkacker = nitpicker, one insisting on being right in debates;
2. Wachstumsbeschleunigungsgesetz = Economy growth acceleration act;
3. Handy (plural: Handys) = the German colloquial term for mobile phone;
4. Apfelwickler (insect)= codling moth.