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The act of providing information to police/LEO regarding a crime. The act of being a rat-goof. Specifically applies to those who personally know and associate with those who committed said crime, and inform on their fellows in secret, as opposed to an innocent/random witness contacting the police.

Originates from times when a call from a payphone cost one dime, or 10 cents.
" Brian got busted on a narco-rap. He beat the rap by droppin a dime on some bikers. He said:"I know it's dangerous, but it sure beats Rikers..."
But the next day, he got off'ed
By the very same bikers.."
by Daffy Jack March 27, 2016
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