Fly-whisk is an object that people use to swat or drive away flies or other insects. The term itself encompasses a range of different items that people have used throughout history, from simple animal tails to ornate decorative objects. Some common synonyms for fly-whisks include flapper, switch, swatter, duster, and fan. These terms all describe objects that are used to move air quickly in order to shoo away bugs. Other related words to fly-whisk include fly swatter, insect repellent, and bug spray. No matter what you call it, a fly-whisk is a useful tool for anyone who wants to keep pesky insects away.