Pong (noun)

1. A sound resembling a dull thud or a hollow echo.
2. A game that simulates table tennis using a video screen, two paddles and a dot or square as the ball.

Origin:

The word "pong" is derived from "ping-pong", the name of a brand of table tennis.

Examples:

1. The sound of the ball hitting the racket made a pong.
2. The game of Pong was one of the first video games to become popular.
3. The pong sound of the ball hitting the wall echoed through the hallway.
4. In the 1970s, Pong was the most popular video game in the world.
5. Pong is a classic game that is still enjoyed by many people today.