Definitions by Carl I.

R.U.A.H. 

Acronym for: "Real Urination And Hobgoblins".
Derived from a common phrase used in the time period of the mid-1600's in Medieval England to exclaim to your conversater how strongly you felt the urge to urinate.

"R.U.A.H.! I gotta take a piss!"

R.U.A.H. by Carl I. July 24, 2006