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Slang term for a woman's vagina. This is because a vagina is very similar to a rat...yeh
1.) Get your rat out! - Most common usage

2.) Ge-ge-get your rat out and do a little dance!

3.) Check that bird's rat out, it's smiling at me!
by Ryan88 March 02, 2006
a snitch,
someonne who tell on you.
50 cent rattin on game
by hus1904 January 13, 2006
1. Plural, for rat.
2. A group of small animals, rodents. Tend to dwells in the sewers. (Sewer rat).
2. An expression of discontent. See also damn or shit.
1. Pied Piper: "Damn, where'd all these rats come from?"
2. "Rats!" Johnny exclaimed, when he discovered he'd shot the wrong person.
3. After several smelly farts, and downing a package of ex-lax pills, Bobby realized that it was time to feed the rats.
by eBrian December 23, 2002
Something that is rubbish or displeasing, or a person or object that is physically revolting.

'This party is rats'.

'That girl's hair is rats'.

'Your shirt is rats'.

by Clifton1 April 15, 2009
A girl who messes with you, creates a lot of drama, and thinks that they're the greatest thing to ever happen to the world......when they're not in any possible way.
Mike said she's a rat because she's bein an annoying bitch cuz she's jealous and is tryin to ruin the relationship he has without her.
by an experienced man May 01, 2010
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 29, 2006
A member of a secret society called the RecRats on the campus of Cottey College in Nevada, Missouri. The organization was banned (after almost 50 years) in 1994. The Rats are commonly associated with severe hazing and verbal abuse. The group resurfaced in 2002 and most likely still exists.
"The administration thinks Julie might be a Rat."
by Dot January 04, 2005