When 4 people do something sexual with each other in one night. Similar to a three sum but with 4 people.
Dude. I’m gonna four train with these three hot girls tonight!
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United States Of America Are Addicted To The Number Four
Throwing up the fours means you can’t hit a baseball
That kid is Throwing up the Fours that is why he cannot hit a baseball
Throwing up the Fours means you can’t hit a Baseball
That kid is Throwing up the fours he probably can’t hit
It is the act of taking a shit while holding hands with another. Person taking a number two
Wanna hold hands while we shit and call it taking a number four
Saying that something is true, and putting it on all four of your limbs to stress how true it is.
Bro, im straight, and that's On Four Limbs
This is the new hand symbol/gesture now used by literal nazis, as a another way of doing the “Sieg Heil”, or “Hitler Salute”. Once again, this gesture was originally not associated with Nazism and instead had several meanings with relationships, sports games, etc; however, in recent times neo-nazis and other far-right nationalists have been adopting new ways of dog whistling their message, and have now distorted this finger gesture.
The man did a four fingers salute; no one realized the true meaning of what he did.