1 definition by 4DALULZ1

Top Definition
Sexy phrase translated to: "Oh hi there guys," in English. Usually used as a geek expression or in online games.
O - Oh
Hai - Hi
Der - There
*Retarded noob walks into a random WoW city*

Noob189: OHAIDERGUISE! HAO ARE YOO AWL DEWING?
by 4DALULZ1 July 16, 2008

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