Top Definition
Urban Dictionary Official.
The word UDO is definitely legit - it's UDO.
by ewgross May 31, 2010
The name of balding german technicians, who know absolutely nothing about fire trucks, cable plant management, radios, or trains. Also prone to eating chocolate bars at 10am and soda at unreasonable hours.
"Man, I can't believe Udo. That guy knows nothing about firetrucks and drank all our Mountain Dew!"
by TheGeuse April 13, 2015
Whenever one human being gives you a 'smartass' look or statement- legit
Person 1: Oh my God, why dont you just SMD!

Person 2: UDO!

Person 1: ...
by siicb November 23, 2010
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