Ragnarok Online; a MMORPG released by Koran based Gravity corp, quite often played on by private servers like many games that have gone p2p (pay to play). Many players that play iROSE have at one point played RO.
Wow, RO costs $9.50 a month?
by taikamiya March 7, 2005
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Short for heterosexual/straight.
Usually used as an insult from a non-straight person to a straight person.
Straight person: Stop being such a homo!
Non-straight person: Psh, stop being such a fucking 'ro!
by iliketalldorks July 22, 2006
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1. Random outburst.

2. Uncontrollable outburst of amusement (usually in text form)

3. Used when LOL or LMAO isnt enough
In text conversation:

Kim: I wore a dress over py pants today
Laura: What?
Kim: Yeah I thought is was a shirt
Laura: RO!
by Jane Porter December 4, 2009
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wicked hott girl who loves the hog
man ros is hott and she loves the hog
by stor April 15, 2005
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ro-ro, slang for coronavirus or covid-19. Although it is an upper respiratory virus, it can be contracted by any humanoid who has been peckerized, or oralized within the past 14 days.
I changed my mind about going down on her, for fear of catching the ro-ro.
by benzvette April 4, 2020
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A way to say “Covid-19” or “Coronavirus”but makes you look and sound cool in front of the homies.
Lamar: Ay homie did you get tested positive for the Ro-Ro?
Franklin: Nah homie, I clean as a whistle I ain’t got the Ro-Ro
by Thegoat88 April 6, 2021
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