- The definition of a swat is a swift, sharp blow.
When a baseball is hit with a bat, this is an example of a swat.
- To swat is to hit and crush something such as an insect with a swift, small blow.
When you hit and crush a fly, this is an example of a time when you swat the fly.
swat definition by Webster's New World
Origin: S(pecial) W(eapons) a(nd) T(actics)
swat definition by American Heritage Dictionary
transitive verb swat·ted, swat·ting, swats
Origin: Alteration of squat, to squash (obsolete and dialectal).