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It's what Kenshin Himura says in Rurouni Kenshin whenever he gets hit in the head with something. Like a teacup or a brick or something of the sort.
"I'll get you!" -Some silly asian man.

"Kenshin! Look out!" - Kaoru, his chick.

*BONK* "OROOOOO!" - Kenshin.
by Nick July 07, 2003
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A phrase used for suprise. Generally spoken long and drawn out
*gets hit in the head*

"Oroooo"
by Rude April 25, 2003
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“ORO” or “0®️0” is an organized group from Lafayette Indiana “ORO” Means “Only Real Ones” They stand for being true to what they where raised upon. “NO FAKES” is the group phrase, and let me remind you. Claiming a real one as fake, Is a great mistake.
“You can’t fw ORO, they are too true. And if you think you can get in with them. Just know you can’t”
by L765Bronny July 08, 2019
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1. A kind and loving person.

2. O. R. O - standing for Operation Remove Otters. A secret goverment program seeking to force otters into extinction by sending Japanese anime characters armed with knives after their habitats.

3. To mug someone with a knife.
1. Bob lay there, near-death, with a broken lag and cancer. Suddenly, the blue fairy came and turned him into a real puppet. He was no longer affected by human disabilities and was able to live his life normally again - except with strings. "Ms. Blue Fairy.. you're such an oro!" cried Bob in surprise and greatfulness.

2. "I'm a member of O. R. O." declared Billy the Kid. "I have the superpower to turn into a Japanese anime character, and I'm bloodthirsty too."

3. "I just got oro - they hold that knife less then an inch away from my throat - I gave them $1337."
by Zonktil January 18, 2005
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Odd race out- That one/two girl/guy who always winds up in Facebook pictures, being the race nobody else in the picture is. Commonly seems to be a cover, to show one isn't racist.
Jack: Dude, did you see the picture of Jess, Ashley, Allison, Kelly, Valerie and Maritza?
Billy: Yeah man, Maritza was the total ORO.

Guy 1: We didn't want to seem like a bunch of boring white guys, so we got a black guy to take a picture with us in NY.
Guy 2: Black guy? How exotic. He probably felt like the odd race out though.
by PabloEscobarReturns October 20, 2010
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oro means «only real ones»
girl: don’t hmu oro knows
boy: ah shit here er og again
by sad depressed bitch November 22, 2019
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