meaning very fast. As soon as one can get there
If I had known you were going to be there, I would have gone in a cocaine heartbeat.
by tbag213 September 15, 2006
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A developing animated series created by @Lightningmoo. It’s about a special species that got shut out from earth, created their own world above a forest in earth, and guard it with their powers and lives. Some humans manage to sneak up into the world, because their guard has been lowered because no human has dared enter for a long time. In this series, harmony between immortals and humans does not exist, although the humans who snuck up there manage to disguise themselves and befriend some of the immortals. They switch sides, now detracting their lives to defend their world, knowing that them being there may risk it. It can sometimes be abbreviated as “NIH”. IT HAS A BUNCH OF ADORABLE BEAN CHARACTERS, but that’s all I’ll say about it for now :D
Have you heard about No Immortal Heartbeat?

no.. why

LOOK IT UP IN THE DICTIONARY ITS BOOTIFUL
by Deku_bean December 23, 2019
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the feeling of the vagina pulsating after an orgasm.
"You give me that Hummingbird-Heartbeat, the taste of your honey is so sweet, when you give me that Hummingbird-Heartbeat." -Katy Perry
by dottymickfly October 21, 2010
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Ectopic heartbeat is an irregularity of the heart rate and heart rhythm involving extra or skipped heartbeats.

Causes
Ectopic heartbeats are small variations in an otherwise normal heartbeat that causes an irregular pulse. They may occur without an obvious cause and are usually harmless.

Sometimes they are associated with chemical (electrolyte) problems in the blood, which need treatment. They can also happen with ischemia caused by a decrease in blood supply to the heart.

Ectopic beats may be caused or made worse by excessive smoking, alcohol consumption, caffeine, certain medications such as stimulants, and some illicit drugs.

Ectopic beats are rare in children who do not have congenital heart disease. Most extra heartbeats in children are premature atrial contractions (PACs), which are almost always benign.

In adults, ectopic beats are common. Their causes should be investigated even if it turns out that no treatment is needed.

Symptoms
Symptoms include:

Feeling your heart beat (palpitations)

Feeling like your heart stopped or skipped a beat

Feeling of occasional, forceful beats

Note: There may be no symptoms.
My heart feels like it bounces into my chest
That's called an ectopic heartbeat.
by wallflower lilly April 30, 2010
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A bullshit attachment that noobs use when playing Call Of Duty. In case you never played the game, it sticks out of your primary weapon and red dots flash on it when an opponent is near. When using a weapon with a heartbeat sensor attached, the user will usually camp in a corner of a room and watch it closely until someone comes close so they can easily kill their opponent. In my opinion, it is a more annoying attachment than the noob tube.
Stru: WTF! How the hell did he know I was there?! I didn't know it was possible to screen watch online!

Bryan: Nah, man. Calm your nuts. It was just another noob and his heartbeat sensor.
by NotMattStru January 24, 2010
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When you see a person you truly love and you’re heart stops doing it’s one job for a hot second
Whenever I see Eeshani, I get heartbeat hiccups!!!
by Thatspecificrandomstranger December 28, 2021
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