It is the mix of the words fat and slut, put together to make one word.
Omg! Look at that slat over there !!
by Ademma January 14, 2008

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Top Definition
1. Small aerodynamic surfaces on the leading edge of an airplane wing which, when deployed, allow the wing to operate at a higher angle of attack.
2. Pussy lips. By analogy to calling them flaps. See? flaps... slats... Now... flaps everybody understands, but *slats*?... Gimme a break!... Please don't call your girlfriend's pussy lips *slats* if you don't want to sound awfully nerdy, or unless you both work at Lockheed-Martin.
1. If it wasn't for my plane's auto-deployed slats, i´d be a red stain on the landscape by now.
2. (Youre giving her head on the drawing board late at night at Lockheed-Martin) Hmm Donna, these slats are hot! Not the ones in your design dummy!
by Hugh G Rection June 02, 2006

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n: Vagina, Pussy, Easy women
"Let's go casting for slats at the bar tonight."
by Gage13 June 22, 2007

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A combination of the words 'slag' and 'slut'.
That Katie... She a slat!
by Alan Wright December 15, 2004

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a great name for the vagina
"I believe I should cup her in the slats." "My, those are the biggest slats I've ever seen!" "Pardon me, but are those your slats on the ground?"
by slat master May 26, 2006

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Cunt, etc.
You're a slat.

I want to kick you in the slat.
by SheSucks April 06, 2004

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a slut pronounced differently it is like a slut but a guy and a girl can be called this. Also it can be added to words like a slatcunt.
Jehan is a fucking slat
or
Jehan is a slatbitch
by Jehan Dewan September 08, 2003

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an abbreviation for the show Secret Life of the American Teenager.
I can't wait to see the new episode of SLAT on tuesday!
by lauser31 July 27, 2008

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