It’s just a even shorter way of saying alright lmaooo
Friend 1: Dude get on fortnite

Friend 2: rd
by Aniggathatdontgiveafuck August 12, 2018
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An acronym for "Really dude..?"
When used as in a questioning form or astonishment
Dude1:Hey I just Donkey Punched your mom
Dude1:yah,sorry man
by Why is life just life February 1, 2016
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v. when one blackberry owner visibly reads another berry owners bbm yet decides to be a douchebag and not respond to said message, hence the small R on the side
I swear to god if anabelle Rs me one more time im gonna commit, shes Rd like 6 of my bbms in a row, biznatch gotta show some respect.
by nunz01 January 7, 2010
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rd- lazy text for alright or ard, it’s basically ard with just the a removed.
Guy 1: Hey bro I’ll be right I’m going to Go the this girl crib. Guy 2: rd.
by Casums August 21, 2018
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Short for Rusty Dick Syndrome.

Occurs when someone has extremely dirty and/or inactive genitalia.
Lou cant get girls. He must have serious RDS.

Sorry son, your RDS is too severe. You have 6 months to live.

Ya got RDS.
by Steve K wussup August 25, 2009
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A girl of the rare variety who - perhaps inexplicably - "inspires love" in a large proportion of the guys she meets. This effect is often partially attributable to beautiful eyes, dimples, a predisposition to smile or genuine friendliness - but these features rarely account for the dramatic difference between the sincerity of her admirers and others'.

Etymology: Thought to derive from "hardy"; any "RD" must be emotionally tough (and slightly stubborn) to deal with the fallout from her warring suitors.
"20 guys declared their undying love for her yesterday, seven of whom she'd never previously spoken to... but she smiled, carried on, and effortlessly resolved the free-for-all that followed as 19 tried to impress her with macho posturing. What an RD."

"Yeah, I've never loved anyone like that before. Messes with your head. No idea what she did to me. Must be an RD."
by BalooBear April 18, 2010
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Rais Disbol Syndrome
A contagious mental illness which makes you retarded
Bro, Brendon been saying some retarded shit today, think he caught RDS
by therealbredd March 27, 2020
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