hold the check
v. phr.— «At yesterday’s hearing, Rep. Delmar Burridge said he hopes a law change will give incentive for low-level members who don’t “hold the check” or “hold the cap”—street lingo he heard in his 35-year career in juvenile court in Philadelphia—to “snitch.”» —“Lawmakers target top thugs” by Lauren R. Dorgan Concord Monitor (New Hampshire) Apr. 10, 2008. (source: Double-Tongued Dictionary)
Further reading
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