Military acronym for Battle Dress Uniform. Also called fatigues.
Wearing BDUs allows soldiers to blend into the tropical jungle (but prove useless in the urban jungle).
by Cassandra September 16, 2004
"Brain-dead user" A term used by computer repair technicians to indicate that the only problem with a computer is the idiot trying to use it.
Was is bad sectors on the hard drive? Nope, BDU.
by Sparky D June 08, 2005