plugged nickel

The phrase "plugged nickel" is a colloquial expression used to describe something that is worthless, it means an object or an item that is not valuable or lacks worth or usefulness. It is often used figuratively to convey disappointment or dissatisfaction with something that is perceived as having little to no value or worth. The term originated from the practice of plugging a coin, such as a nickel, by filling it with a cheaper metal, making it counterfeit or worthless.