Giggly (adjective)

Inclined to giggle or laugh easily or frequently.

Origin:

From middle english gigge "to laugh", from old english gicgan.

Examples:

1. The little girl was very giggly and couldn't stop laughing.
2. The comedian's jokes made the audience feel giggly.
3. The girls were feeling giggly and were trying to stifle their laughter.
4. She was feeling giggly and couldn't stop smiling.
5. He was feeling very giggly after watching the funny video.