Rohrkrepierer

German

Rohr (“barrel”) +‎ krepieren (“to croak”) +‎ -er (instance noun suffix)

Rohrkrepierer m (strong, genitive Rohrkrepierers, plural Rohrkrepierer)

(military) barrel burst (detonation of munitions while still in the barrel of the weapon)
(figurative, informal) non-starter, flop (idea or project that is considered a failure right after, or even before, being launched)
- 2017 January 12, Oliver Kaever, “Monstermarkt”, in Die Zeit‎^[1]:
  Schon in der Heimat war der Film ein echter Rohrkrepierer: Trotz massiver (und teurer) Marketingkampagne spielte The Great Wall am Startwochenende bei einem Budget von 150 Millionen Dollar lediglich 67 Millionen ein.
  Even at home, the movie was a true flop: Despite a massive (and expensive) marketing campaign, The Great Wall only made 67 million dollars at the box office on its opening weekend, with a budget of 150 million.
- 2017 March 9, “Und dann kam Martin”, in Die Zeit‎^[2]:
  Der nächste Punkt beim Enträtseln des Schulz-Phänomens betrifft die verblüffende Tatsache, dass sich in diesem Wahlkampf als Kracher erweist, was im letzten noch ein Rohrkrepierer war, das Thema soziale Gerechtigkeit.
  The next step for unraveling the mystery of Schulz phenomenon is about the surprising fact that there's something that is playing really well in this election campaign, despite being a total non-starter in the last one, that being the topic of social justice.

Declension of Rohrkrepierer [masculine, strong]