When someone says something and you really have no idea or don't care what they're talking about, you respond with a "ooo".
person A: My new calculator is version 11319933.abcdef with a hdryoaxlicamaliy!
person B: ooo
by kai luhh September 24, 2005
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The sound of when someone is amazed, surprised, or in wonder.

Usually said in text. Can be used for sarcasm. Generally genuine and honest.
“I just bought you a new girlfriend,” Jeff told the thirsty 6th grader.
“Ooo! Thanks bro. I needed another.”
by Polly8Star April 11, 2022
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Oppose Orgasm October or OOO is the literally the child of NNN and SSS (Stop Squirting September). Meaning that it’s universal, anyone who reaches orgasm/climax will lose
Tingledingle: I came, I failed OOO
Ganglejankle: Alright time for your public execution
by The Idiotic Neologist January 2, 2023
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The remains of the world following a nuclear war so devastating it nearly wiped humanity off the face of the earth. Population: 40% edible
Long haired child: Man, Ooo is bigger than I thought.
Elastic dog: Totally, dude.
by Yearning Shrilly February 4, 2023
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the symbol people use at the end of letters to symbolise hugs

Also xxx for kisses
love from Bob
ooo
by DJ MIKE February 24, 2005
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Symbol that represents a person peeking up over a wall, hand on each side of head, grasping the wall.
IMGuy483: Are you around? oOo
IMGal341: I'm here! o/
by Lhyzz July 4, 2008
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