r 

Short for 'reject' or loner

i wish jake wudnt hang around with us, he is such an r!

r by Liam December 17, 2003

R 

R = Reward, used in "Dating" sites

Looking for fun in return for R.

R by Lovingman8188 May 20, 2018

r 

r

r

r by im-a-cat January 29, 2019

R 

honey, its just a letter, you really need to go out of your room instead of searching on urban dictionary, the kids haven't seen you for 5 years, pls i miss u.. please?.. speak to me micheal MICHEAL SPEAK TO ME
COME BACK COME BA-

loser (aka you):"hey, want to play fornite bby"
amazing flawless goddess (aka me):"r u stupid"

R by Im all secret like oh my god!! May 15, 2019

r 

Short for the word "are", used by fucking lazy asses that can't be bothered to type 3 letters.

r u fcking stupeed?1?/

r by btcmr123 June 13, 2019

R 

Slang word to refer to an AR-15 usually used in the mexican cartel

They passed 4 R's through the frontier this morning

R by kornilov November 29, 2019

r 

r

r

r by brrrrrruhhh January 27, 2020