There's something about the roar of a machine gun that makes the wielder want to roar along with it.
The character could be letting off some anger, or despair, or just get caught up in the adrenaline of the moment.
Compare Screaming Warrior.
- Teana Lanster of Magical Girl Lyrical Nanoha StrikerS did this during the time when she was recklessly shooting down the Mecha-Mooks attacking Hotel Augusta and almost shot her own teammate.
- Dragon Ball Z: During the Cell Saga, the army attacks Cell before the tournament stops all at once. One of the focus shots was off one of the soldiers on the ground. Guess what he was doing during the open fire free-for-all.
- In Part 2 of JoJo's Bizarre Adventure, Joseph yells when putting multiple holes in Straizo with a Tommy Gun. He had reason to do so, considering that he thought Straizo killed Speedwagon.
- Sgt. Whittaker does this towards the end of Final Fantasy: The Spirits Within, as he repeatedly fires a truck-mounted cannon at a giant Phantom. Justified, because he tried to lure it away from the other heroes. This quickly becomes a Heroic Sacrifice, though considering he was already dying from earlier wounds, anyway, he didn't have much to lose.
- The first A Better Tomorrow have Mark shouting as he mows down mooks with an Uzi. He usually remains stoic in most of his shootouts, like the restaurant gunfight and when he retrieves the tape from the basement, but then he loses it in the final action scene and lets his rage out over gunfire.
- Rambo at the end of Rambo: First Blood Part II, when he destroys the computers.
- Reb Brown does this a lot in his action films, including Strike Commando (a low-budget Rambo II ripoff) Robowar, (a low-budget Predator ripoff, and Space Mutiny.
- Picard did this when gunning down the Borg in Star Trek: First Contact.
- Rick O'Connell did this when trying to shoot at the wall of sand in The Mummy, both in rage and fear.
- Fullmetal Jacket: The door gunner. *ratatatatata* "Get some!" *ratatatatata* "Get some!" *ratatatata* "Yeah, get some!"
- Tropic Thunder:
- Jack Black does it in the poster.
- Tugg Speedman during the (real) ambush decides to milk the action for all its worth by a)firing from the hip, b) doing a completely unnecessary combat roll, c) firing one-handed, and d) screaming at the top of his lungs while waving the gun in all directions unleashing an endless stream of (blank) fire.
- UHF, during the Rambo II parody.
- Point Break (1991) has the scene where a character shoots rapidly into the air while screaming. It was later parodied by Hot Fuzz.
- Connor McManus has a moment like this during the Il Duce shootout from The Boondock Saints. Agent Smecker's reenactment of the shootout has him doing this as well, only he is firing in the air and there's no sound involved.
- Pulp Fiction contrasts an amateur Shouting Shooter, vainly emptying his hand cannon at the hitman protagonists, with their wordlessly efficient response.
DIE, YOU MOTHERFUCKERRRRS!!!
- In the Cold Open to Indiana Jones and the Temple of Doom, Lao Che's son goes full-auto at Indy with a Thompson sub-machine gun yelling what sounds like, "What's your name! What's your name!"
- John Connor does this after a damaged terminator attacks him in Terminator Salvation.
- Tector and Lyle Gorch let the bullets and the war-cries rip at the climax of The Wild Bunch.
- Guardians of the Galaxy (2014): Rocket does this several times, both when blasting away with a rifle while standing on Groot's shoulder or when firing the guns of a fighter ship that he is piloting.
- Wonder Woman (2017): One of the Germans firing a machine gun at Diana does this as she crosses No-Man's Land.
- A rare instance of not even needing a machine gun to do this: Officer Eugene Tackleberry of Police Academy. During live-fire gunnery range training, he is given a pump shotgun just like everyone else... and proceeds to go haring off while completely demolishing the range, destroying targets with excessive amounts of gunfire all while screaming his head off and dodge-rolling constantly, much to the visible exasperation of Captain Harris.
- Played for Laughs in The Boys (2019). In "You Found Me", Hughie Campbell (who unlike the rest of the Boys has no experience in military or intelligence work) has to provide covering fire during their escape, screaming "I'M SORRY! I'M SORRY!" as he blazes away with an automatic weapon at the Gas Mask Mooks shooting back at him.
- Gwen Cooper does this in the Doctor Who series 4 as she and Ianto empty G36C's into a Dalek which is slightly anti climatic as they are protected by a time lock.
- Surprisingly, Jamie Hyneman from MythBusters. In spite of his usual demeanor as the The Comically Serious and The Stoic, it turns out he sometimes becomes one of these when he's at the controls of a Dylan Minigun, as some of the clips from the various gun-related shows demonstrate. Then again, it's hard to blame him.
- In a flash-forward in the Babylon 5 episode "Babylon Squared", Garibaldi unloads on unseen aggressors with some sort of PPG Gatling gun, yelling stuff along the lines of "Come get some!" the whole time.
- The Orks from Warhammer 40,000, the Trope Namers for More Dakka, love both violence and loud noises, something that leads them to attempt to match their weapon's in noisiness by yelling battlecries as they shoot. This is so engrained in Ork kultur that any Boys who do not engage in this behavior (i.e., shoot first then yell) are seen as sneaky gits and not Orky 'enuff.
- Big Boss in Metal Gear Solid 3: Snake Eater and Solid Snake in Metal Gear Solid 4: Guns of the Patriots, although both restrict it to when using the game's light machine guns.
- Pictured above, The Heavy from Team Fortress 2 enthusiastically starts yelling and/or imitating machine gun sounds if you fire his Minigun continuously for long enough. When he's not telling you to CRY SOME MORE!, that is.
- Firing the M60 in the game mod Half-Life 2: Jaykin Bacon Source makes the player start yelling.
- Final Fantasy XIII:
- Snow does it in Palumpolum when he shoots an overhang in an attempt to scare the crowd away from being shot themselves.
- On board the Palamecia, Vanille does this while gunning down a Vespid Soldier when it and a couple of PSICOM troops come to move them to another cell.
- In Final Fantasy XIV, Player Characters will shout or grunt whenever they use a weaponskill (but not spells), which makes sense for classes like Rogues, Lancers and Pugilists as they move around a lot when attacking. Archers and Machinists, however, also make extensive use of weaponskills in their arsenal, so your average party will include one dude standing around and yelling while shooting for no real reason.
- Sgt. Reznov does this while mowing down German soldiers in Call of Duty: World at War.
- Zaeed Masani of Mass Effect 2 does this when angrily shooting at Vido Santiago's escaping dropship in the Paragon ending of his loyalty mission. It apparently imbued his bullets with anti-materiel penetration power, as it headshotted the dude sitting right next to Santiago, who visibly freaked out at it.
- World of Warcraft has a quest where you help a group of people known as Bravo Company, led by John J. Keeshan, go through an entire orc battalion using a siege tank with Keeshan manning a turret. Keeshan screams appropriately, and the quest is even aptly named AHHHHHHHHHHHH! AHHHHHHHHH!!!
- The player fires his gun into the air at the end of each level in Total Carnage. YEEEEEEEEEEEEEAAAAAAAAAAAAAAAAAHHHHH!!!
- Rocket Raccoon (from Guardians of the Galaxy) in Marvel vs. Capcom 3 will do this often, most notably during his Gatling Good Level 1 Hyper Combo.
- Far Cry
- The mercenaries in Far Cry Instincts like to do this whenever they get their mitts on a heavy machine gun, gravitating between macho tough-talk and panic-stricken gibbering.
- Rex "Power" Colt of Far Cry 3: Blood Dragon does this when firing the Terror 4000.
- In Far Cry 5, the Project of Edens Gate cultists are pretty fond of screaming as they fire a fixed or vehicle mounted machine gun at you or your allies.
- Asura of Asura's Wrath does this during the course of his Unstoppable Rage against Olga and her fleet after they go too far. The "shooting" in question is the blasts from the four utterly huge arms of his newly achieved Berserker Form.
- Salvador in Borderlands 2. He's The Berserker with a focus on guns, and when he's "gunzerking", he's often screaming.
"AHAHAHAHA! TIME TO OVERCOMPENSATE!"
- Rio in Operator's Side when she fires her machine gun at several dozen canisters of fake Philosopher's Stones.
- The VCs in Men of Valor love to scream. A lot.
- Heffer from Rocko's Modern Life did this once in an episode paying a certain Homage to Ghostbusters (1984) (among other things).
- ''Archer'":Lana is seen doing this when shooting out a large number of enemies.
''GET SOME YOU SONS OF BITCHES! GEEET SOOOOOME!
- Quagmire has the Giggity Gun on Family Guy.
- When Jimbo and Ned were telling their Vietnam experiences to the boys in one episode of South Park, he briefly was this until he ran out of ammo (when he took out a sword and rode a horse to kill more Viet Cong soldiers; he embellished to story a little bit).
- Pig in an episode of Western Back At The Barnyard. He continues screaming even after letting go of the gun.
- Standard procedure in the early days of the Bosnian army when firing a large caliber machine gun from indoors. It makes your ear-drums slightly less likely to burst.
- Amusingly, shouting while shooting can also help the gunner remember the exact length of a burst. While some machine guns, like the American M2 fire slow enough you can count the rounds fired, others, like the MG42, fire so fast they sound like a loud zipper. Shouting out short phrases can thus help the gunner remember "in the time it takes me to say these few words normally, is the time it takes to go through about 50 rounds".
- The most common phrase taught to US Army and Marine machine gunners and SAW gunners is, "Die, motherfucker, die!" It takes the same amount of time as the ideal-length burst for the M60, M240, and M249.