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1. An NAVAL term that is an acronym for "Collateral Duty Inspector".

2. A sought after job title in the U.S. NAVY.

3. Someone that has the authority to say that a maintenance task has been completed by using proper procedure.

4. The first person that Maintenance Control will try to hang when something is fucked up.
Hey Josh, did you CDI that tire change last night? Josh responds: Yeah why? Co-worker replies: Oh man.....you're fucked. Maintenance Control is looking for asses to burn, and you're their man today.
by Diggs the Mountie January 23, 2007
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Can't do it. bottom line. period.
commonly used online.
terence:can i get a sip of that soda james?
james:can't do it(Cdi)
by arc block st April 07, 2011
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The greatest gaming system ever to be created Apart from the PC, also the most underrated.
CDI is the best gaming system out there.
by Hugo flug February 07, 2005
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