Department of Redundancy Department 

A phrase, statement, or otherwise form of communication that is Redundant, repeated to the point of annoying, or rephrased as to where it means the same thing..

My boss just got back from the Department of Redundancy Department, hes telling me of all his exploits and my wrong doings.

Department of Redundancy Department by Sovereign Story January 12, 2008

Department of Redundancy Department 

A snarky little quip made when someone has mistakenly repeated themselves.

Man in the coffee shop: Continuing on, I'd like a chai tea latte with milk.
Barista: Department of Redundancy Department!

Department of Redundancy Department by faithplayskeys November 30, 2009