"he s as thick as two short planks" auf Deutsch He's as thick as two short planks. Er hat ein Brett vorm Kopf. Er ist dumm wie Bohnenstroh. Ausführliche Übersetzungen für "he s as thick as two short planks" He's as thick as two short planks. 1. Umgangssprache He's as thick as two short planks. Er hat ein Brett vorm Kopf. 2. Im übertragenen Sinne He's as thick as two short planks.(auch: He is as dumb as a post.) Er ist dumm wie Bohnenstroh.