"clapperboard" in German clapperboard Klappe Detailed translations for "clapperboard" clapperboard clapperboard(also: clapboard, production slate, production board) die Klappe{feminine} At one point, somebody dropped a clapperboard on the wire... and cut off the electric current. Source: opensubtitles.org Corpus by OPUS Request review Jemand ließ eine Klappe auf die Kabel fallen und unterbrach den Strom.