"dead as a doornail" in German dead as a doornail mausetot Detailed translations for "dead as a doornail" dead as a doornail dead as a doornail(also: stone-dead, stone dead) mausetot{adjectiv} For god sake,I'm gonna be dead as a doornail in five days. Source: opensubtitles.org Corpus by OPUS Request review Um Himmels Willen. Ich werde in 5 Tagen sowieso mausetot sein.