Phrase meaning either "bothered", "stressed out", or "completely blown away".
Man, I caught my gurl cheatin' wit some sucka. Dat bitch got me In Heat!!!!!
by Tommie Kemper, Logan Rains November 20, 2007

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Top Definition
When a creature (most likely an amimal, but can apply to humans) is so horny, it'll hump anyhthing in sight.
Mona: OMG! Look at Jack!
Mae: What the fuck is he doing?
Jack(pulling out of the dog's ass): Ooooh, yeah! Thanks again, sparky!
Sparky: Woof!
by sexie chocolate October 05, 2004

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When an animal (humans included) is so horny and eager to mate, that they'll hump whoever comes along.

Some people think that only females experience this state, but male animals also have a reputation for being achingly randy.
"Great...! Just great! We forgot to neuter our cat, and now she's in heat! I can't stand the howling!"

"While in Frankfurt (appropriately), I once asked a German storekeeper for a 'heißer Hund'- literally 'a hot dog.' He burst out laughing, as 'heißer Hund' in German suggests a dog in heat." -Richard Lederer
by Lorelili February 05, 2006

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When a creature is so unbelievable horny/sexually excited, it stresses out and attempts to have sex with anything around it.
Bill: Hey, what's that noise?
Shantie: I don't know. I think Steven's in heat
Steven: *Furiously fucking his female pet dog in the ass* Yeah, that's right literal bitch! Ohh, take my cock up your ass you filthy animal!
Steven: *Cums massive load* Ahhh, that 's what you get for getting so close to me while I was in heat. You know what, I'm still hard! Time for another round!
by EliteWarriorDarius May 07, 2016

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Mad as hell. About to lay the smack down on some triflin' bitch.
Them's fighting words. She musta been in heat when she said that about Billy's gimp leg.
by (r)evolution September 06, 2007

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