Definitions by MrJemson

D.E.U. 

A Defective End User.
An extremely common, and very frustrating issue in the I.T. industry.

Andy: "So I got a call about a Mr X's not being able to read his emails."
Kyle: "What was the issue?"
Andy "It was a D.E.U."

D.E.U. by MrJemson January 4, 2009