Top Definition
An over-inflated ego, caused by the assumption of superiority by someone who runs multiple operating systems.
Thad: Quit being a marketing tool, tool. You did not join some special club or quit being lame when you paid three times more for your computer. You know most PC can run MAC OS now right? And you know why nobody does? Cause it sucks. And I use Win7, Ubuntu, and Mac OS so don't even try it!

David: Well, somebody's got a case of the multi-boot ego!
by thejesusgod December 16, 2009

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