A mocking question to someone you know is angry, usually used in the context of griefing in online games.
user1: r u mad?
user2: screw you
user1: u mad.
by foxblaze July 28, 2010
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Synonymous with "Are you serious?" or "Are you for real?"
Originated from the legendary chill v combat-ex match, commentated by the bear semenated day9.
Girl: I'm pregnant
Guy: r u for rela?
Girl: mhmm
Guy: kk let's talk about this at the top of a flight of stairs
by rowbsie November 08, 2009
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The smart way to call someone retarded

This insult trumps all comebacks including but not limited to

No u
reverse
I know you are but what am I ...etc
Guy 1: Ur Mom Gay
Guy 2: No U
Guy 1: R U Rarted
by Green Wood Cememery May 15, 2018
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The most boring phrase you can start up your online converstation with. Often used when you don't want to talk to someone, but feel that you need to because they are online.
<CuTe BaYbEe> Hi
<Sabs> Hiya
<CuTee BaYbEe> How r u?
<Sabs> ok
....*silence*....
*Sabs appears to be offline*
by Sabarbar May 20, 2004
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"R U TRIPPIN'?" normally accompanies O RLY? and YA RLY! as an inquiry of someone's mental state. It is most commonly used for additional clarification, but could also be used after one participant in a conversation says something of questionable relevance or of a strikingly unintelligent nature.
Person 1: "Hey, guys, let's play DOTA!"
Person 2: "O RLY?"
Person 1: "YA RLY?"
Person 2: "R U TRIPPIN?"
Person 1: "NO WAI!"
by sigeon September 18, 2006
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1. The most annoying debate in Final Fantasy history.

2. The Final Fantasy 8 theory which states that Ultimecia is Rinoa's future self.

3. A proven theory.
Guy: Ellone knew Seifer, Zell and Irvine.

Girl: But when Ellone takes Squall to Rinoa's past, you view her thoughts. which proves the R=U theory.
by Raven Firestone November 06, 2008
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