What is the game I used to play as a kid where you tossed bean bags at tic-tac-toe board?

The game you're thinking of is called Bean Bag Toss or Tic-Tac-Toe Toss.

It's a simple and fun game where players toss bean bags at a tic-tac-toe board, trying to land their bags in the squares to create a tic-tac-toe pattern.

There are many variations of the game, but the basic concept is the same. Let me know if you'd like to learn more about different variations!