Gutteral vocalisation often used in the Death metal scene, and all related musical directions. It's also called 'growling'.
There's understandable growls such as in some Opeth songs, and growls that aren't understandable, just listen to some early Cannibal Corpse songs or something like that.
Growling is done by pushing air with your diaphragm. Allot of people think they can growl by just yelling or talking and then pushing together their throat, but all they're gonna do is mess up their throat and vocal chords. The only correct way is to use your diaphragm.
You can try to bark like a rottweiler right? Like a low, growling and short but powerfull *woof*. Practise that.
Now if you do that, but start *woofing* 1, 2, 3, 4, or A, B, C, D, etc you will start how to use those low *barks* for words. Another way to explain it is that sometimes when you're tired you can create a really loud and raspy sigh. It'll sound distorted and low, but it won't hurt your throat (just like the barks). That's because you use your diaphragm!
Try to control that, use your diaphragm, form words and that way you can start to learn how to growl (or 'grunt').
The highth of your adams apple and the way you shape your mouth and your tongue placement determine the highth of your gutteral vocals.
Styles of growling/grunting:
Low growling; listen to: Suffocation - Effigy of the Forgotten
High Growling/Screaming; listen to: Children of Bodom - Needled 24/7
Low screaming; listen to; Cannibal Corpse - Make Them Suffer
High screaming; listen to; Chimaira - Pure Hatred or some Nasum song.
by Maniack Xxx July 26, 2006
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Marines or other military serviceman who serve in the frontlines of war
Those fuckin grunts take all the action
by Foomanala April 26, 2007
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The warriors on the battle field, the men in the shit. The ground re-enforcement unit for any armed forces.
There is no higher honor than being a grunt in the Marine Corps infantry
by _____ January 4, 2004
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Grunt is an acronym used during WW2 for troops who had no formal training, or skills. G-general, R-replacement, UNT-untrained,...GRUNT, as they had no special training, they were given rifles and sent to the front.
Grunts do all the fighting.
by Paul Manning August 6, 2003
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A guttural noise made for several different circumstances: happy, sad, yes, no, oh yes, oh god yes, during sex, taking a shit
GRUNT ooooo yeah

GRUNT - ah man

<wife> Are you gonna take out the trash?
<husband> GRUNT
by Dave February 21, 2003
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Those annoying little fucks in Halo.
Try not to waste your shotgun ammo on Grunts. They're not worth it.
by Kevin Martin May 7, 2004
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A front-line soldier.

A grunt is anyone, regardless of rank, who digs his or her own foxhole, performs front-line tasks, handles live weapons and ordnance and duties in combat zone and risks his or her life.

The opposite of grunt is REMF (Rear-Echelon Motherfucker), a desk job military person off the combat zone. If the definition of a grunt is one who digs his own foxhole, a REMF is anyone who sleeps between clean sheets.
To be a grunt in the Marines is the pinnacle of macho image
by Susanna Viljanen March 7, 2008
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