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An abbreviation used by the US Army meaning Rest and Recreation, Rest and Recuperation or Rest and Relaxation. Frequently referred to by troops as I ‘n I (Intoxication and Intercourse), it refers to the practice of rotating combat troops out of the front line to give them an opportunity to relax and unwind thereby reducing the impact of ptsd. The term was certainly used during the Korean and Vietnam Wars but most likely dates from World War II.
Get your gear packed! We got a pass for 48 hours R 'n R in Saigon!
Number One!
by AKACroatalin October 02, 2016
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Us Army slang meaning Rest and Rereation, Rest and Recuperation or Rest and Relaxation. The term was certainly used during the Korean and Vietnam Wars but most likely dates from World War Two.
Get your gear packed! e got a pass for 48 hours R 'n R in Saigon!
Number One!
by Croatalin December 06, 2013
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The term used to name the action of "Reading and Not Replying" over Blackberry Messenger. It is considered to be the rudest infraction of all Blackberry Messenger etiquette.

When a message is sent and delivered from one device to the next, a "D" is present beside such message. When opened, the "D" turns to an "R". Both the sender and recipient are aware of the situation, and in some prestenses, it creates an awkward moment.
Yo I just sent Natalie a text over Blackberry Messenger. I hope she doesn't give me the RnR
by Ohtaa June 06, 2010
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Read, no reply. When checking email or myspace messages & you see that they read, but didn't reply to your message.
People that RNR drive me crazy!
by K&J February 28, 2008
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Simply short for "Read No Reply".
It is used when you send a message to a person or a group chat and it says "read", but they(or no one) replies.
Peterson: |Hi|R✔️
Peterson: |Ok there's some RNR shit going on here|R✔️
by Mixamax June 02, 2015
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Verb, noun.

A commonly used BBM acronym which stands for Read but Not Responded. A cool and useful way for making the guilty contact feel awkward and ashamed by pointing out their failure to respond with just three letters.
Andrew: Hey
Andrew: ...
Andrew: RNR
by Sam Johnson II September 28, 2010
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