Although unknown to the general population, there actually was a "World War 3." The fact that it only lasted 4 and a half seconds is why it's so unheard of. It happened about 2 years ago on October 2nd at 4:13am but ended shortly after when the United States sent Chuck Norris behind enemy lines in Mexico, France, and Iraq. The only reason it took him 4 and half seconds to drop 3 countries is the fact that he stopped for lunch in the middle of it.
(Son) "Dad, do you think World War 3 will happen in my lifetime?"
(Dad) "It already has son, it already has..."
by Jason "Minty Fresh" Bodi October 23, 2006
1. Unless the human race fundamentally changes, the upcoming war that destroys the planet(and consequently, the human race).

2. Metaphorical description of a highly chaotic situation.
1. If everyone gets nuclear arms, World War 3 is inevitable.
2. My workplace is turning into World War 3!
by TomServo1 January 8, 2008
(Teacher to Class) What was Donald Trump best known for during his presidency?
(Class) World War 3
by SpikeyMike2 April 27, 2016
the predicted third worldwide war that finally began on December 15, 2018, that was fought mainly between Ariana Grande, Kanye West, Nicki Minaj, and Pete Davidson
"me: *logs into twitter*
twitter: “PETE DAVIDSON IS GONNA KILL HIM SELF OMG” “NICKI MINAJ IS SO PROBLEMATIC” “DRAKE STARTED ALL OF THIS”
also me:✌️ World War 3"
by Kiraxclip✨🙈 December 16, 2018
World War 3 is PewDiePie vs. T-Series (Commonly known as T-Gay or Gay-Series). PewDiePie is the most subscribed YouTuber for now. T-Series may pass, but Pewds will still be the #1 most subscribed individual YouTuber. T-Series is a group of people.
Person 1: Who do you want to win World War 3?
Person 2: Pewds.
Person 1: Good.
Person 3: Gay-Series will not prevail.
by PewdsWillPrevail March 23, 2019
Mark My Words

It will happen within the next 5 years, and will most likely be caused by Russia or China. This war will turn nuclear very quickly and will kill over 1 Billion humans, leaving the world shattered. Most of Gen Z will be dead due to being drafted into an impossible fight and there will be mass starvation across the globe.

On the bright side, we will make some crazy cool inventions that may or may not result in an even more tech-addicted society.
“This isn’t a threat, it’s just a fact. World War 3 is inevitable and is coming sooner than we think”
by 123abcidontknow May 11, 2021
world war 3 will get here quicker if someone gets the guts to stand up to that monkeyfaced fuckwad in office.