to be freaking out or anxious about something. mainly used when referring to being in trouble with the police.
man the cops were after me last night i was heating so bad!
by usuckblahblahblahblahblahblah September 15, 2009
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A rolled tobacco cirgarette...which kills many people, but ohh soo good. aka jacks, humps, p-funks, cigs
Yo Man, let me bum a heat stick!

Shit I got to stop by the store and pick up another pack of heats.
by James v April 7, 2006
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To greatly insult someone verbally (and sometimes physically) about themselves, situations they've been in, their family, friends, or anything under the sun. It is more of a competitive thing mostly used to see who can make the other person feel stupid. Types of jokes used are jokes about a person they look like, objects they look or smell like, a quote from a song, book, movie etc.. that they are relevant to, their clothing, etc. Most people use these to have a laugh, some people use it to piss the other person off (leading to fights).

There are certain words to use after every refernce such as

"Lookin ass"
"Body ass"
"Foot ass"
"Face ass"
"Back ass"
"Jaw ass"
"chin ass"
"havin ass"

or anything else having to do with the previous heat. Those are the more commonly used ones though.
Bob: Kevin you heatin nigga?

Kevin: get yo big bird lookin ass boi.

Bob: aaah hell yea im finna get yo Barry White lookin ass.

Kevin: hell yea look like this nigga got lined up wit a blockbuster card.

Bob: i know this nigga not tryin to heat wit that tight ass shirt on, you can see that nigga heart beat through that shit.

Kevin: man get yo big Amistad face ass big "LET US FREEE" toe ass boi.

(everyone that was watching laughs at Bob because Kevin made him feel stupid with his last heat.)
by 1357 June 20, 2006
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not only used to mean firearms or law officials, "The Heat" is sometimes defined as being hot or awesome. tmj
You're going to see Bright Eyes on Saturday? Conor Oberst is the heat!
by michelle March 29, 2005
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What happens when you touch some weird ass roleplayer’s ears and/or tail
Roleplayer 1: *Touches Roleplayer 2’s ears*

Roleplayer 2: “N-Nya! *She’d hide her tail and ears* Don’t do that! I’m gonna go into heat!~ My Ears are very sensitive you know!”

Roleplayer 1: ....
Roleplayer 1: Bitch-
by Why the fuck am I here April 22, 2020
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Slang for any male sexual performance drug.

The reason why these drugs get the name heat is because when you take them your face gets super hot and you start to sweat.

You can tell if someone is on heat if their face turns red or they start to get a runny nose.

Heat has been known to turn a normal man into superman in bed. Normal guys who dont have ED are now taking heat just to fuck like porn stars.

Just like baseball players taking roids heat is the new performance enhancing drug.

Rick James once said that cocaine his a helluva drug. The same can be said for heat.

If the wind blows wrong down there it will activate heat.
1. Man this bitch aint gonna know what hit her tonight cause I'm going to pop some heat and fuck the shit out of her.
by Optimus Prime #15 October 26, 2010
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