Roizin 

A severe rash located around the males penis, that can be sexually transmited through intercourse

"Yo what the hell is that rash on your dick!"
"Oh it's just roizin. I got it from Beata."

Roizin by Cherk May 11, 2017

roizen 

a measure of reaction scale indicating 1 mg or less of substrate. may be used in concurrence with metric prefixes. abbr = Rzn

I set up this Horner-Wadsworth-Emmons reaction on a Kiloroizen scale.

roizen by thehappychemist April 5, 2009

How Roisin Murphy is that? 

Irish slang penned my comedian Dermot Whelan meaning "how cool is that?" in a sarcastic way!!

Girl: Look at this new top i bought
Guy (who couldn't care less): How Roisin Murphy is that?

How Roisin Murphy is that? by happygolucky91 January 20, 2011

Rozina 

An AMAZING person who never lets you down.
She can cheer up your day when you're feeling a bit blue.
You can trust her and she has many friends, with not many people hating her.

Person#1: I wish i was like Rozina...:)
Person#2: I swear everyone loves her?

Rozina by ILOVEROZINAYEAH February 28, 2011

Roisin 

A truly amazing person. One of the best people you will ever meet. She is both loyal and caring. Everyone wants to be friends with Roisin as she is so kind. Roisins are not only kind and loving, but they are also some of the most prettiest girls on earth. If you find a Roisin, make sure to keep her.

OMG I'M GOING OUT WITH ROISIN!
OMG LUCKYYY you better keep her for life!!!

Roisin by Xx...me...xX January 19, 2022

roiding out 

The act of taking anabolic steroids for performance enhancement. Usually abused by meatheads and BDAs alike. Side effects include back zits, temper tantrums and shrinkage.

That BDA is definately roiding out. Did you see the size of his arms?

roiding out by geniusH August 6, 2006

Rozina 

She is the most talented , most incredible woman in Earth . Everyone wish they were like her. She is beautiful and independent. She polite to every person and helps old people. She can lead you on the right way. You can ask anything, Rozina can help you. You can put your trust in her. You want to be her best friend. SHE IS JUST GREAT .
But don't make her angry because she can be the Devil itself. Most of the time she's the sweetest human being you can imagine but be careful. Seriously. I warned you.

At last but not least get yourself a Rozina. Your life will be blessed by her.

#1: I would give anything if Rozina could talk to me!

#2: I wish I was a Rozina.

#3: OMG that girl is just the most perfect thing I saw in my entire life she must be Rozina!

Rozina by Oket March 19, 2019