>To buy something (usually a motor vehicle) that doesn’t work well and is therefore worthless.
>To purchase a vehicle that constantly gives problems or stops running after you drive it away.
>Waste money by purchasing a car that is frequently faulty.
Example
>The car looked so new and shiny I had no way of knowing I was buying a lemon
>We often try to save money by buying second-hand cars but little do we realise that we are up to buy a lemo