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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!
R 'n R by AKACroatalin October 2, 2016
Related Words
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!
R 'n R by Croatalin December 6, 2013

The R.N.R Effect 

When One Is A Sussy Baka, Angry, Gets Bored Around 12:20 pm, Minor, Somewhat Depressed, ADHD Built, Odd Mindset, Hyper, Watches Anime, Mostly A Simp To Pokemon Characters, And Likes Tuba
Hey Bro, I Think You Have The R.N.R Effect
(acronym) diapers 'n restraint. pertaining to pornography.
D.N.R. by Biffy Mr. D February 10, 2008
no reply

sometimes no replies (n/rs)
(someones PM on MSN)

n/rs busy
n/r by justsomechickx June 3, 2013
No Reason Boner, getting an erectefied penis for no specific reason.
"dude, yesterday in math class I got a huge N.R.B. out of nowhere.
N.R.B. by Lorenzo October 12, 2004