Top Definition
A barrier system designed to protect a Combat Outpost (COP) by converting a flacid plastic cylindrical member into a rigid or errect shock absorbing device by adding a dense or flowable fill.
We were worried about random insurgent penetration from the rear of our area until Dick Kingerly turned us on to a new protection product called Cop Bloc. Now we feel much safer on Thursdays which had become the insurgents most probable day for what is now known as the back door pig bath.
by Mick Honcho January 31, 2011

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