Used in many 'live' online contexts, such as online gaming or chat, rr stands for restroom.
"brb, rr." indicating one must use the restroom and will return shortly.
In many RTS games, rr stands for Real Rate. The rr is the avarage rate that the player has, but when he creates a new account, he loses his rate, even tho his rr is different.
client: I am around 1966.
In some MMORPGs, the term RR may be referred to as "reset" or "reborn". As soon as you reach the level cap, you can restart with the same character from a lower level, retaining some benefits.
This mostly applies to some private servers for certain MMORPGs, but there is at least one official game that does it - Mabinogi.
Mabinogi in-game chat among 2 players: How many RR do you have?
Short for "Roid Rage". A side effect of steroids
Also referred to as the double R's.
"I have to stop doing steroids. This RR is killing me."
Read and Reply
Short abbreviated form "RR" used at end of emails to request the recipient to reply and confirm they received it.
Call Sammy Please
River Rat; Used mostly in Texas Hold'em to describe someone who relies and catches a river card that allows him to win the hand.
You rr. You are sooo lucky to have caught that 7 to make the straight.
Sometimes called the double Rs
Person 1: I have some serious RR right now.
Person 2: Maybe you should talk to someone about that
It's pretty self-explanatory.