Refers to cybercriminals. The exact meaning changes over time, but generally refers to drug dealers, money launderers, pedophiles, and terrorists. While none of this is new, the term was coinged due to the drastic effects such activity has had on the rights and daily online experiences of regular individuals.
"Thanks to the Four Horsemen of the Infocalypse, the police are now allowed to search my computer whenever they want for whatever reason they want!"
by Jello Virus March 6, 2008

The dangerous dare between friends of taking 4 shots of alcohol, simultaneously, in the specific order as follows:
1) War = 1 shot, Tequila
2) Famine = 1 shot, Rum
3) Pestilence = 1 shot, Whiskey
4) Death = 1 shot, Cement-Mixer
1) War = 1 shot, Tequila
2) Famine = 1 shot, Rum
3) Pestilence = 1 shot, Whiskey
4) Death = 1 shot, Cement-Mixer
"Hey man, on your 21st birthday, we're getting you so trashed, & to get you started, were making you do The 4 Horsemen of the Apocalypse."
by Martian12 September 9, 2014

Adam, Andy, Eric, Mike the fucking coolest badass heterosexual fellows that occasionally like to hump eachother.
by Andy April 17, 2005

The Four Horsemen of the modern day that signal the coming of the apocalypse. These are their past names and their modern reincarnation names.
War : Rucka Rucka Ali
Famine : Kim Jong Il
Pestilence : Justin Bieber
Death : Mel Gibson
When the Four Modern Horsemen Of The Apocolypse arrive there will be a very noticable sign: They will be heralded by burning winds and twisted land. The seas will rage and the sky will deform, and with the coming of this horror, those who draw breath shall know the true meaning of eternal slumber.
War : Rucka Rucka Ali
Famine : Kim Jong Il
Pestilence : Justin Bieber
Death : Mel Gibson
When the Four Modern Horsemen Of The Apocolypse arrive there will be a very noticable sign: They will be heralded by burning winds and twisted land. The seas will rage and the sky will deform, and with the coming of this horror, those who draw breath shall know the true meaning of eternal slumber.
Guy 1: Dude its happening!
Guy 2: What?
Guy 1: The Four Modern Horsemen Of The Apocalypse! They are all meeting in Florida to discuss a how they will taken command of the planet!
Guy 2: Awesome, do you need some more crack to smoke or are you just retarded.
Guy 1: ... Possibly. How much you got?
Guy 2:Screw off
Guy 2: What?
Guy 1: The Four Modern Horsemen Of The Apocalypse! They are all meeting in Florida to discuss a how they will taken command of the planet!
Guy 2: Awesome, do you need some more crack to smoke or are you just retarded.
Guy 1: ... Possibly. How much you got?
Guy 2:Screw off
by LastRoflchopter August 6, 2010

When a girl is having sex, while on her period, while peeing, and shitting on the guy, and then throwing up all at the same time.
Me and this girl I met were feeling like getting real dirty one night, so i let her perform the four Horsemen of the Apocalypse on me.
by PrimateWarrior April 10, 2023

Secret society group of young professional closet homosexual males who regularly engage in wild gay orgies.
by dotconnector69 October 17, 2018

the four horsemen are actually about the biblical illuminati designs of delta split brain assasins through the use of hertz frequency and split brain to brain interface so people can remote control people through arch types in prodject monarch style hence the 12000 white stones that only one tribe gets hence 7 days 7 seals 12 tribes relate to the 666 sides of a jew
by Mineowedwus September 18, 2023
