to laugh in a silly way in English:

She has a cute giggle.

“What do we want to be prefects for?” said George, looking revolted at the very idea. “It’d take all the fun out of life.” Ginny giggled.

‘Look at me, Mum,’ giggled my three-year old son.

give somebody the giggles

Tom giggled like a schoolgirl

They giggled nervously as they waited for their turn.

Every time I do something silly in class, my friends giggle.

The boy could do nothing but giggle nervously when he was asked to stand up in front of the class

I giggle every time when I am nervous.