rat

A person who exposes another person's wrongdoings for reasons other than moral outrage or to seek justice. Usually for personal gain, to avoid trouble themselves, or out of jealousy.

The word is sometimes misused by highly immoral people to describe all people who provide incriminating evidence against other people, simply because they dislike the idea of being exposed, and want to associate a negative word with people who expose immorality.
Grant exposed the other members of his gang so the cops would reduce his sentence. He's a rat.
by link1834 April 11, 2012
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rat

Someone who tells the cops vital information that leads to an arrest of another person
that nigga cody ratted on joe we should fuck him up
by mikeykay October 30, 2006
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rat.

a rat...is a rat.
a rat is a rat.
by the rat in your garbage can. February 14, 2022
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rat

A snitch. A person who has ""tattled" on another person
That niggas a fuckin rat.
by KiStone 1000 February 06, 2003
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ratted

to snitch or tell the police or other members of authority about a crime that you have witnessed or that you saw your friend doing
man, that punk ratted me out to the cops
by wordman June 10, 2005
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rat

the lowest form of human being. a backstabbing snitch.
by umadeabigmistake May 12, 2009
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rat for that

When someone’s acting like a fucking rat.
friend: i got a B on my math test
You: you’re a rat for that
by tapthatrat December 03, 2017
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