Idiom of the day :- Slapdash

Usage, examples and definition of the Idiom :-

Inefficient / of a low standard A : I paid two decorators to paint my flat. What do you think ? B : It looks like a really slapdash job to me — I think you should ask for your money back. They obviously aren’t very experienced. A : But they must have lots of experience — they are both over ninety years old ! This word is based on the phrase a slap and a dash. The verbs slap and dash both indicate hurry and communicate the idea of not being careful.