Top Definition
1]To have Hair on the back of one's neck similar to to the color of the stone Onyx.
2]To be a badass.
Daspike: "Only the Onixmane take durability hits by choice... What a badass."
#onixmane #uber #onix #mane #leet
by Daspike April 04, 2007
4 Words related to Onixmane
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