Oneplain is the kind of person who likes to kill cats and children just for the fun of it. It could also be used to describe a nazi of sorts.
Dude Oneplain is literally killing the entire world, who is he hitler?
by PiggyIsEpic November 14, 2020
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Oneplain means a person that takes over worlds every chance he gets.
He likes to revolt alot.
Guys oneplain declared war again, We might not win
by Model O October 30, 2020
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Oneplain: Takes over worlds every chance he gets
Guys, Oneplain declared war again, We aren't gonna win
by Model O October 30, 2020
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