prost ca noaptea

Romanian

Etymology

Literally, stupid as the night. Probably a calque of Hungarian buta, mint az éjszaka (stupid as the night).

Adjective

prost ca noaptea m or f or n (indeclinable)

  1. (idiomatic, simile) thick as a brick
    Synonyms: prost de dă în gropi, făcut grămadă

Further reading