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1 definition by hammertime!

Originally used in first person shooter games to describe shooting another players head. Can be used to describe the act owning in an activity in general(doesn't HAVE to be a headshot if its good enough ownage)
As a verb, I totally domesnaxed that mother fucker when he peaked Long A.
As a adjective, Wow man that was so domesnax, he couldn't do anything but die when you saw him.
As a noun*witnessing or enducing a headshot/ownage of somebody" (DOMESNAXXXXXX!!)
"Give him the snax, I think hes hungry"
by hammertime! March 27, 2009