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Japanese for Big Man.

Used when someone says something they feel is an achievement or make them feel they are better.
1) Man: I just got 100 Antimatter Condensers on Cookie Clicker.

Other: Oooh, Ooki Otoko. You're cool.

Man: Don't have to be a dick...

2)Man: I brought my own stool to the party.

Other: Oooh, Ooki Otoko.

Man: Haha I know. No big deal though. I'm just a boss.
by PinoyKoakai97 September 30, 2013