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RO

Ashley gave the history homework, she's such a RO.
by rcllare January 14, 2018
mugGet the ROmug.

Ro-Ro

Commonly used term for a Roll-on Roll-off ferry (eg a car ferry)
ANy cross-channel ferry is a Ro-Ro ferry
by BrianA999 April 29, 2006
mugGet the Ro-Romug.

Ro

Used to describe a girl most of the time blonde and pretty that is not street smart, and asks stupid questions. Mostly used in pennsylvania
by PBLAX22 June 20, 2009
mugGet the Romug.

RO

abbreviation for "Reverse Osmosis." Reverse osmosis is a process in which water is forced to travel through a semipermeable membrane against the concentration gradient by increasing the pressure on the feed side above the osmotic pressure of the solute with the highest osmotic pressure. It is often used in drinking water treatment.
People don't know that the reverse osmosis technology used to manufacture their bottled water does not do a good job removing neutral compounds like arsenious acid (arsenic), even though the companies bottline it would like you to think that it is ultra pure.
by Matt Charles February 15, 2005
mugGet the ROmug.

Ro

Ro is to "pwn" what "pwn" is to own.
Someone tries to steal your shit and you bitch slap them to the floor...they just got Ro'd
by DRrecords December 9, 2008
mugGet the Romug.

Ro Ro Po

When you stick a cigarette in your butt, and can puff the cigarette and make it smoke.. Try to make rings that the po... it's the ro ro po...
A girl that can get this ro ro po set up, girl needs a butt that can puff a cigarette, and make decisions for you. Needs to be in shape and know how to use certain muscles to get the inhale.. a girl with this knowledge, can make it work..
by JoJo RoRo April 21, 2020
mugGet the Ro Ro Pomug.

Ro

Verb. The act of defecating into a woman's vagina for sexual arousal. The male then performs intercourse on the female's feces filled love canal.
"I paid Ro $20 and she let me ro her."
by Bonehead2 December 14, 2008
mugGet the Romug.

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