Often in media, The Bully is portrayed as a typical Jerkass who's biggest threat to their victim is a wedgie or fist in the face. Aside from that, they are mostly harmless in the grand scheme of things.Deadly Bullying takes the typical bully Up to Eleven by having him do things that could actually kill their victim, even though the bully doesn't actually want to commit murder. Where the typical bully just wants to give their victim a black eye, the deadly bully wants to beat them to a bloody pulp. The fact that the bully is capable of inflicting such harm is usually lampshaded by the characters. Other times, it becomes clear that these bullies have no limits.
Do not confuse this with cases where bullying has led to the victim committing suicide, that's just a specific case of Driven to Suicide. This trope is where the bullying itself has reached levels that the bully has committed manslaughter, or come close to it by landing the victim in hospital or leaving them permanently disabled.
Related to Teens Are Monsters. Compare No-Holds-Barred Beatdown, a common weapon in the bully's arsenal for this trope. Contrast with School Bullying Is Harmless. This is Truth in Television since there are countless Real Life examples of kids being bullied to death. However, No Real Life Examples, Please!
In Elfen Lied, Lucy/Kaede's Precious Puppy was killed with a vase by Tomoo and his friends, the bullies who bullied her on a regular basis. They just wanted to see how she would react. She killed them with her Vectors.
In the original volume of Omega The Unknown, a nerdy student is beaten so badly by bullies that he must be rushed into the hospital for surgery. When he returns, a bully kicks him hard enough to rupture his stitches and he dies.
There's a story arc in The Sandman where at a Boarding School of Horrors, dozens of students return from the dead - including a trio of bullies who attended the school back before the First World War (for reference, this story took place during the Gulf War.)It turns out that these bullies killed one of their fellow students decades earlier as part of a Satanic ritual (and this unfortunate lad is also back from the dead.) Displeased with the way that the ritual failed to gain them any special attention from Satan, and generally unhappy about being back at their old school, they decide to resume being bullies and inflict their tortures on one of the few live students left at the school. The poor kid ends up dying from the wounds they inflict upon him after several agonizing days without medical care.
Biff Tannen from Back to the Future engages in this in the first movie, by using his car to try and run a skateboarding Marty into a manure truck.
Henry Bowers, the lead bully in IT, pulled a knife on one of the child protagonists and later on he and his posse chased the protagonists into the sewer (while they were confronting IT) in order to kill them all. This is pretty much standard for Stephen King.
In Young Adult, Mavis befriends Matt, a nerd who was so severely bullied in high school that he's now permanently disabled.
In Drillbit Taylor, the titular character is hired by the protagonists to protect them from two bullies who are actively trying to kill them.
Discussed in The Garbage Pail Kids Movie; Dodger gets bullied physically by Juice and his gang. When asked why he hasn't reported it to the police, Dodger explains that the last one who snitched on Juice got "poured" into the West Side highway.
In The Karate Kid, every one of the nasty karate students Daniel runs into (the Cobra Kai, Chozen) gives him sound beatings.
Inverted in Enderís Game - a bully attacks Ender, who responds by beating him to a bloody pulp, actually (if unintentionally) killing him. He gets away with it because the military recognizes it as a sign of his potential for measured brutality.
The bullies in Let the Right One In were pretty vicious. At one point a bully's older brother gets into the fray and literally attempts to drown the main character. Yeesh.
In The Saga of Tuck, the protagonist is beaten almost to the point of death at one point. More than one chapter focuses on his dubious chances of survival.
Rumer Godden's The Diddakoi, the eponymous girl is bullied repeatedly by the other girls at her school, which comes to a head when they physically assault her and leave her with a broken neck. Thankfully, she survives, but had he guardian not been there, it would have been fatal.
In Powers, the third book of Annals Of The Western Shore, Hoby's torment of protagonist Gavir comes to a head when he and his pack hold Gavir upside-down in a well. Not only is he nearly drowned, he's badly bruised and battered, and their owners finally send Hoby away.
In The Soldier Son series, there is a tradition of hazing new recruits at the military academy. The sons of the new nobles were subjected to far worse hazing than the old nobility, to the point that several of them were discharged for health reasons afterwards.
In Stephen King's short story The Body, the four protagonists all receive beatings from Ace and his gang; one gets a broken nose and fingers and another one has a badly broken arm.
Freaks and Geeks used this with a bully who landed a kid in the hospital by using peanuts, which the kid was allergic to.
In Grange Hill, "Booga" Benson was expelled after the beating he gave Tucker landed Tucker in the hospital.
One Midsomer Murders episode has a kid with a Disappeared Dad want to join the local gang of bullies and dies accidentally, though it looks like a suicide, causing his mother to die soon after (he was supposed to stay on a chair in a noose and slipped off). Years later, one of the murderers thinks he's going to die and confesses to the priest... who happened to be the kid's father.
In another, a child is left for dead by the bullies, and is found amnesiac by a couple who'd recently lost their child. They end up keeping him in their basement for years (not out of abuse, but so that he wouldn't be taken away from them).
An episode of The George Lopez Show has Carmen play a prank on Max by photographing him with a teddy bear while he's sleeping. It goes horribly wrong when Max ends up getting stitches in the back of his head from the bullying that ensues.
On Graceland, Carlito Solano is an overgrown bully of the Psychopathic Manchild variety. In his first appearance, he shoots one of his own bodyguards in order to test an antique pistol, and the poor bastard only survives because Johnny intervenes and prevents him from bleeding out. In another, he nearly chokes his own sister to death.
Walker, Texas Ranger has an inversion in one episode, where one particular kid is picked on by almost all of the other students, for being smaller than they are, for wearing ratty clothing, for being "stinky", for his Hispanic accent, among other reasons. Eventually, the boy makes it to the roof of the school, and intends to jump to his death, but Walker arrives on the scene, and proceeds to try and talk him out of it; the boy appears to change his mind, only to accidentally slip and fall to his death anyway. Walker immediately starts an anti-bullying campaign, not just at the school, but in the entire community, in the wake of the boy's untimely death.
In Halt and Catch Fire, Joe's initial explanation for his scars was that he was chased off of a roof by bullies, however, Cameron later figures out that this is a lie.
In the season finale of Necessary Roughness, T.K.'s career is effectively ended when Coach Wizinski enlists some of his former teammates to utterly wreck his shoulder to "punish" him for defecting from the Hawks.
In the Mystery Case Files game Shadow Lake, a tough-looking girl follows the boy who found the artifact up to the school's bell tower, and tries to bully him into handing it over. In the struggle, he's knocked over the railing and falls to his death.
In Tiny and Big: Grandpa's Leftovers, Big starts off as just a bully who steals Tiny's treasured underpants. However, said pair of underpants turn out to be a magical artifact that slowly turns Big into an Omnicidal Maniac, and by the end of the game, he's so hell-bent on outright killing Tiny that he's hurling whole brick walls at him.
In Yume Miru Kusuri, Aeka Shiraki is being continuously harshly bullied to the point of breaking, and everyone turns a blind eye. The bad end of her arc is past that point and has her jump off the school roof in a suicide attempt. Good end? That one has herself and supportive-of-her protagonist quit the crapsack school after having snapped, that is having retaliated at escalative bullies once, near-strangling the instigator to death among other things.
As revealed in the episode "Skips' Story" of Regular Show, Klorgbane the Destroyer was an excessive bully in high school whose bullying often went under the radar of Headmaster Bennett. Klorgbane crosses the Moral Event Horizon however when he causes the death of Desdemona, the love of Skips' life and reason for his constant skipping and name.
In one episode of Robotboy, Donnie attempted to throw Tommy in a woodchipper.
Played for Laughs in an episode of The Simpsons. Lisa gets a crush on bully Nelson, and makes Milhouse pass him a note on her behalf. "Guess who likes you?" Nelson takes a look at Milhouse, waggling his eyebrows suggestively. Cut to Milhouse being taken away in an ambulance.
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