1. sharp, forceful blows or strikes
Usage: plural
2. attempts or tries at something
Usage: informal; plural

1. strikes forcefully with a sharp blow
Usage: third person singular present

Examples

• She whacks the piñata with a stick.
• The carpenter whacks the nail with his hammer.
• He gave the door several whacks to open it.
• The baseball player took three whacks at the ball.
• Mom whacks the dust out of the old rug.
• After a few whacks, the stubborn bolt finally loosened.
• The teacher whacks the chalkboard to get attention.