Idiom
thick as two short planks
Meanings
Very stupid; very slow to understand.
Definition
Extremely stupid or slow to understand.
If someone is thick as two short planks, they are considered very unintelligent or unable to understand simple things. It is a rude, insulting idiom used in informal speech. People often say it when they are annoyed or criticizing someone’s behavior. It is more common in British English than American English.
Examples
- He’s thick as two short planks if he thinks that plan will work.
- Don’t be thick as two short planks—read the instructions first.
- I felt thick as two short planks when I realized the answer was obvious.
- She called him thick as two short planks after he missed the same point again.
More at C1 level
- Monday morning quarterback A “Monday morning quarterback” is someone who criticizes decisions after the outcome is already kno…
- close but no cigar Used to say someone almost succeeded but did not quite achieve the goal.
- come hell or high water No matter what happens or how difficult things become.
- brass monkeys “Brass monkeys” is used in the expression “cold enough to freeze the balls off a brass monkey,” mea…
- get down to brass tacks To get down to brass tacks means to start discussing the most important practical details of someth…
More idiom (adjective phrase)s
- cheap as chips Very cheap; costing very little money.
- over the moon Extremely happy or delighted about something.
- easy as pie Something that is easy as pie is very easy to do or understand.
- off one's trolley To be crazy or acting in a very irrational way.
- right as rain Used to say someone or something feels completely well or is back to normal.