It stands for Rub Wieners. It is a phrase representative of the feeling one gets when two dicks are rubbed together. Not typically stated by an actual
homosexual. The phrase is and can be used in many different ways:
1.) A greeting and a farewell. (Typically a farewell)
2.) Yelled when excited about something. For example, a great play in football or
basketball.
3.) It can
even be used when angry at someone or something, but not as often.
Friend #1: Well, I
better get going, it's getting kind of
late.
Friend #2: R Dub, man, R Dub.
Friend #1: Will do, will do...
Announcer: And number 81 catches it in the endzone!
Fan: R DUB!!! R freakin' Dub!!!
Guy playing pool: WTF? How did I miss that shot?
Friend: I don't know, man. R Dub...R Dub...