(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 sekali

very stupid

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