"Rah" is a slang word used by Kids and or teens. The meaning of this word is when your annoyed at someone and or something. It is commonly known in Britain and often said by 'Roadmen'
My bike broke yesterday

Rah man

innit
by felixkarakand April 27, 2019
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slag term used by people that want to come across as hard normally used by private school kids. it really doesn't make sense at all but as long as it is used in a sentence that makes sense then its fine.

can be expressed as a form of anger such as imitating a wild cat
by daddy's girl ;) January 7, 2017
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Used inside inner cities in Britain, its literal translation is "really" there is controversy as to how it is spelled, usually "rah" or "ra".
"Bruv, I rah just got rushed in Hansworth"
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"Got these treads for £20"
"rah?"
by Translat0r June 24, 2015
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Derogatory slang name for a high school or college cheerleader, derived from traditional "Rah! Rah! Rah!" cheer employed at many varieties of sporting events.
The rah-rahs think they're the queens of the school, just because they prance around in funny little costumes at football games.
by Lingster January 23, 2005
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Rahs, are the posh rich kids of Britain. Usually wearing Jack Wills, Abercrombie and Fitch or other expensive high street designer brands. Rahs hate chavs and commoners, and attend private school. They rely on Mummy or Daddy to buy everything, and live in the more upmarket areas of certain Counties and towns. Rahs like to show off their money and are commonly labelled as 'snobs'. They are hated by those who are 'jealous' (or as the Rahs think so) because they have more money. Those who hate Rahs, usually hate them because they show off their money, and are spoilt rich kids, which is true, but doesn't necessarily mean they're all bitches and douche bags. Rahs are often very pretty and have great hair, worn back combed, big, thick and messy.
Rah2: I haven't passed it yet, no, but me and Rupert are going to practise around the manner later!

Rah1: *gasps* Sounds wonderful, I hope you two get together soon! See you at Meme's!

Rah2: See you later darling!

A common example of Rahs having an everyday conversation
by I know my stereotypes November 23, 2010
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The newest, and trendiest, form of the colloquialism "brah." 2014 comin' atcha'.
Guy 1: Who the FUCK took my Anal Acrobats DVD?!
Guy 2: Yo, chill rah-rah, you let me borrow it the other night.
Guy 1: Oh, that's right. Sorry, the PCP makes me a little moody sometimes.
Guy 2: It's all good, rah-rah.
by SanduskysTouch January 27, 2014
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The MOST annoying way to say 'ect' or 'you know how the story goes / what i mean'
Person 1: And then she said 'How could you kiss my boyfriend, rah-rah-rah' Girl continues talking
Person 2:.....

(Person 1 finally walks away)

Person 3: You ok sugar?
Person 2: If that girl says rah-rah-rah again i will kill her.
by TheRadkeGirl November 30, 2009
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