in speedrunning (playing games with the sole purpose of completing it in the lowest time possible) it's the term for unassisted (see TAS for tool-assisted runs) runs in the community. It stands for real-time attack.
I just got the RTA world record for Super Mario Bros!
by speedrunningftw June 18, 2013
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"Reply To All."

A group of people that talk through email. Instead of clicking "Reply" you click "Reply To All."
by monkeynoose November 19, 2007
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Cleveland's Regional Transit Authority, aka, the Ride Through Africa. Titled as such because a large proportion of riders are Black.
Shoot, gotta buy a bus pass so I can take the RTA to go buy some 40s and some Black and Milds.
by roflcopter!!!11!! December 14, 2008
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Epic Seven, the game, will now have RTA where two people will be able to fight each other in real-time!
by dankmortal December 20, 2019
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a stuck up asian person who has to be trendy at all times, and acts better than everyone else. commonly referred as a "richie type asshole"
"gosh meng i hate going to these fucking asian night clubs, there too many RTA's ! "
by Jae Dizzle August 21, 2009
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Short for Read the Article.

Thought to originate from fark.com
If you had RTA, you would know that France had plans to surrender
by Mithrander March 14, 2005
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