intransitive verb
Definition: To hit something with a sharp sound or force, often making a loud noise.
Example: He whacked the ball with his bat during the game.
noun
Definition: A quick and forceful hit or strike, often producing a loud sound.
Example: He gave the ball a whack with the bat.
transitive verb
Definition: To hit someone or something with a strong blow, often quickly and forcefully.
Example: He decided to whack the piñata with a stick to break it open.