(Boredom, and displeasure) "Reeeeeh (long and high pitched)"
2. (Instead of the phrase, Whats up) "Reh". "Reh"
3.(hilarious interjection) " Anyways I went to the movie with Amy and...." (Andy) "REEEEEEEEH" (Matt)
4.(replacing annoying things with reh) Dude my girlfriend (amy) Ramy is angry. Yah Reather (Heather) is angry to.
Example 2 (commonly used for naming someone, you take the first letter of their name and put Reh on the end of it, this is the only case in which it can be a lower case Reh) Kristen + Reh = Kreh, or Kreh Kreh if you're cool.
Example 3 (basically whatever the fuck you want it to be)
2 - a word used to break the ice in an orkward situation
3 - an emotion only felt by Ashfield boys
Warren: Hey man thats some nice colouring in you're doing in there!
Warren: Hey man you totally cockblocked me from getting with that tranny dike
Joban: .. REH!