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1.
An expression used to say that, a) you agree with something that has been said, or, b) you really like what someone said.

(Dougie is actually a dance but this does not relate to the meaning of this phrase, it only makes it cooler)
Definition a:

Guy: I love Wiz Khalifa's new song!
Girl: That's what I dougie!

Definition b:

Girl: I always listen to 107.5 on the radio.
Guy: That's what I dougie!
by WackaFlacka888 May 16, 2011
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