Top definition
1) A word used when defeating an opponent. This is the real spelling of the word, not Julian Calerdon's "onamonapowned." The word is a mix of onomatopoeia and owned. And I have proof from Banshee that it's owned, not fucking pwned.

It's pronounced AH-NO-MA-TOP-OWNED.
Skyerus: Beat that!
Banshee: onomatopowned
by Skyerus October 27, 2004
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