Top Definition
A prefix one can attach to their name if they are really sic nasty at Halo 3.
Grover is awesome at Halo, so his new name is Erto Groves.
by HolyMcBluey October 25, 2007
Meaning, or having to do with the word "obviously" while playing Halo.
>> Dude, have you killed the VIP?
>> Yeah, man. Erto.
by HolyMcBluey October 25, 2007
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