Top Definition
To clean up your spent round casings when shooting firearms at a range.
Make sure to police your brass to keep our range floor nice and clean.
by Xeon06 January 25, 2015
To clean up the condom and wrapper after sex
Make sure you police your brass to make sure you don't like a total scumbag the next time a lady is over.
by Jokster May 27, 2012
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