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3.
GCP
Google Certified Professional
He's so l33t he's a GCP.
by Webadillo December 14, 2005
 
1.
GCP
GCP is a shortened term for Golf Course Party.
Hey man are you going to the GCP tonight?
by BustinHS July 10, 2011
 
2.
GCP
The act of extracting information from Google for the reason of telling it to someone.

Note: GCP is short for Google Copy Paste
Bob: Whos the president of blahblahland
*Bill searches google.com, copies anwser into clipboard, then pastes it*
Bill: It's Mark Larryson
Bob: Thanks, how did you know that?
Bill: GCP :D
by Joshtek July 01, 2003