'ro 

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!

'ro by iliketalldorks July 22, 2006

RO 

Racial Oppression. Unfair treatment of a specific ethnic group. See the Holocaust.

Airport officer: (Looks at Indo's passport) I'm going to have to ask you to step aside sir.
Indo: FUCK! That's RO, asshole!

RO by AnIndo April 11, 2008

Ro 

A Ukranian buff guy with a warm back.

Ro is pro

Ro by Boris Johnson 101 April 6, 2021

RO 

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?

RO by taikamiya March 6, 2005

RO 

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!

RO by Jane Porter December 4, 2009

Ro 

A girls name of South African origins. A girl with this name is probably nice, cute, funny and quite intelligent.

My word! Look at that girl! she's such a Ro!

Ro by leemcpeterson August 26, 2013

Ro 

a shortened version of the name Rosie

Ro is a prick

Ro by derpy69 October 18, 2022