RTR
Real Time Racing, a game made by SIMBIN and uses the iOpener technology (iOpener used in real racing to show precisely the position+ speed + site of the car..) which allows you to play in real time against real life drivers.
My stupid friend: HOLY SHIT..!!! I JUST BEAT THE SHIT OUT OF KIMI RAIKKONEN IN RTR...wooooooot..

Me: STFU noob...
by NFS is SHIT March 23, 2010

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RTR
short for "Ready to Ride" Cyclist term indicating the exact time the group should be ready to depart any given point.
"Meet at the trails for a group ride today, 6pm RTR"
by SorbaSC June 08, 2009

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rtr
response to retard
When a retard comes up to you and askes you a retarded question, you simply just say "rtr" to them if you wish not to be disturbed by retardation.
by OMGLOLABC123 March 24, 2009

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rtr
short for "ready to rape", a verry drunk girl that you have to keep away from any horny friends
o man shes had to much, shes gone to rtr
by ismokespydermansgirlfriend July 10, 2008

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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