(as|) thick as two short planks
1
used to describe someone who shows a great lack of intelligence or good judgment
The idiom "thick as two short planks" is believed to have originated in British English and gained popularity in the 20th century. The phrase suggests that the person's cognitive abilities are so limited or dense that they can be compared to two short planks, which are inherently thick and inflexible. It is a figurative way of emphasizing someone's perceived lack of intelligence or understanding. However, it's important to use idioms like this with caution, as they can be considered offensive or derogatory when used to insult or belittle someone.
- He thought he could fix the car without any knowledge of mechanics.He's thick as two short planks when it comes to automobiles.
- I tried explaining the concept to him, but he just stared blankly.He's definitely as thick as two short planks.
- She keeps making the same mistakes over and over again.It's clear she's thick as two short planks.
- You really believe that ridiculous conspiracy theory?Are you thick as two short planks?