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Retro and at the same time nifty. Things that are deja coo' usually bring up warm feelings of nostalgia.

It is best to use it in written conversation, because it sounds kind of stupid.
Awesome: Yo man, I just illegally downloaded "C is for Cookie".
GenericName352: u r lame
Awesome: I beg to differ. It is deja coo'.
by TheWizardof207 March 26, 2004