kill a fly with an elephant gun

"Kill a fly with an elephant gun" is an idiomatic expression that means to use excessive force or a disproportionate amount of resources to solve a small or insignificant problem. The phrase highlights the idea of using an inappropriately large and powerful tool or method for a task that requires much less effort or intensity. It signifies a lack of proportionality and may suggest an overreaction or an inefficient approach to solving a simple issue.