Top definition
The practice of owning so hard that one is effectively uber-1337.
<1337-h4x0r>: D00d! We h4x0r3d like 4 different chix0rz boxes last night!

<teh-geh>: W00t! You're a owninja!
by skoaner October 17, 2004
Get the mug
Get a owninja mug for your daughter-in-law Julia.