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