How do you spell the sound oooo?

What does Oooo mean?

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How do you spell oohs and aahs?

to express admiration: We watched the fireworks, oohing and aahing with everyone else.

What does OOO mean from a girl?

An abbreviation for hugs, usually placed at the end of a letter or in text messaging; often placed alongside xxx. The little boy put some ooo at the end of his letter to Grandma, to let her know he loved her.

Is it Aww or ahh?

Ahh, this is the way it must be. Aw is used when you see something you think is cute or adorable. It is also used to show feelings of great disappointment. A variant spelling is aww, but that is less popular.