thick as a brick

English

thick as a brick (not comparable)

Czech: blbý jako troky, tupý jako necky, blbý jako tágo
Danish: dum som et bræt ("dumb as a plank"), dum som en skovl ("dumb as a shovel"), dum som en dør ("dumb as a door")
Dutch: plank voor het hoofd ("a beam in front of the head")
Esperanto: malsaĝa kiel ŝtipo ("dumb as a log")
French: bête à manger du foin (fr) ("dumb to the point of eating hay"), bête comme ses pieds (fr) ("dumb as their own feet"), con comme un balai (fr) ("dumb as a broom"), con comme la lune (fr) ("dumb as the moon"), con comme une chaise (fr) ("dumb as a chair"), con comme un manche (fr) ("dumb as a handle")
German: dumm wie Bohnenstroh (de) ("dumb as bean straw"), dumm wie Brot (de) ("as dumb as bread")
Hebrew: טיפש כמו נעל‎ ("as stupid as a shoe")
Icelandic: nautheimskur
Lower Sorbian: głupy ako pjeńk ("stupid as a tree stump"), głupy ako snop

Mandarin: 愚不可及 (zh) (yúbùkějí) ("so thick that no one else in the world can compare")
Polish: głupi jak but (pl) ("stupid as a boot")
Portuguese: burro como uma porta ("stupid as a door")
Romanian: prost ca noaptea ("as stupid as night")
Russian: тупо́й, как про́бка (tupój, kak próbka) ("dumb as a cork"), туп как сиби́рский ва́ленок (tup kak sibírskij válenok) ("dumb as Siberian boots")
Slovak: hlúpy ako peň ("stupid as a tree stump")
Slovene: neumen kot noč ("as stupid as night")
Swedish: dum som en gås ("stupid as a goose")