A bitch in heat literally means a female dog who is in heat. (Heat meaning she is 'in season' to mate and have babies.)

A bitch in heat is sometimes used when reffering to humans, generally females. A female ththat goes after every male she can find, and is being extremely lustful. A blunt way to put this would be a horny woman.
Literally: "The bitch was in heat."

"She was eyeing the man like a bitch in heat."
(Or sometimes it is written as "like a bitch DOG in heat.")

by Miss Holly October 4, 2005
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1) A horny girl.
2) A dishonest/ lying person; comes from the old southern expression: "You lie like a dog(or bitch) in heat." (Female dogs lie around a lot when in heat)
She's a bitch in heat. (She's a damn liar.)

- The phrase is used as an emphatic tool; it has a kind of harsh connotation, like putting damn in front the word "liar."

The phrase's use is not limited to describing women: "You lie like a bitch in heat son."
by Walkdog64 May 7, 2008
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1)a female dog on the prowl
2)what it's hotter than.
1)"Buffy's in heat! It's time to breed her!"
2)"I'm sweatin like a state fair sow! It's hotter than a bitch in heat!"
by Nastina August 8, 2005
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A woman who is experiencing menopause, causing her to be very moody.
Man: Hello.
Woman: SHUT THE FUCK UP!!!!!
Man: Damn, you're a bitch in heat.
by a dictionary December 25, 2005
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What short Indian guys say when they want to appear "gangsta". Usually accompanied by a throw up of the hands and some intermingled gang signs, though no one knows exactly what he means.
The immunology review session is in room 131. There will be bitches in heat there - WHAT.
by Strish February 7, 2010
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1) Bitch in the 99th percentile.
2) A Bitch, bleeding, only because she's in 'heat.
3) An insertive phrase that can be used in most Christmas Carols.
1) That 'lil cunt Sandra is a true Cantonese BITCH IN HEAT. Everytime she looks my way, I get so annoyed that I want to stuff my oversize, pineapple thick cock in my mommy's blender.

3) Sing "Jingle Bells" to the following words: Bitch in heat, Bitch in heat. You're a bitch in heat...
by CurtisB June 14, 2010
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