(as) thick as two short planks

US /əz θɪk əz tuː ʃɔrt plæŋks/
UK /əz θɪk əz tuː ʃɔrt plæŋks/
"(as) thick as two short planks" picture
1.

sangat bodoh, dungu

very stupid

:
He's (as) thick as two short planks, he never understands anything.
Dia sangat bodoh, dia tidak pernah faham apa-apa.
You'd have to be as thick as two short planks to believe that story.
Anda perlu sangat bodoh untuk mempercayai cerita itu.