Top definition
What Super Mario does in Super Mario Odyssey (as seen as the mario fish in the gif)

Check it here and in the gif

Etymology:
Hitler first mentioned this word which may be what he did to Hinderberg in order to get in control of Germany.
Ed: Wow man, Mario can brainjack stuff in this vid look dude in the gif

Fred: Cool, did you know Hitler also did that?
via giphy
by TheTroll73_[Ezman] June 17, 2017
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2
To deliberately use someone else's brain to solve a problem or answer a question, rather than your own, even though, with time and effort, you could solve the problem yourself.
I could've worked out the answer to Fermat's Last Theorem, but I brainjacked Brian instead.

Rather than look at the map on the wall to find her way, she brainjacked me.
by Novosapien October 19, 2009
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