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Police activity, especially of the non-productive type i.e. The act of setting up and patrolling speed traps, harassing or arresting people based on appearance (racial profiling), breaking up parties, any sort of cannabis bust, etc.
"Did you see all the cops on highway 6? They are oinking hard!"

"I hope Johnny doesn't get caught with his bag of weed, the pigs are oinking"
by DontDrinkSoda June 26, 2013
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