Top Definition
To be attacked by surprise. To be set up. Ambushed.
My coworker submarined my today! We sat down for an hour to discuss how to solve the problem and came up with a solution. Then, when we met with the boss and he didn't seem all that wild about "my" solution, my coworked simply nodded his head in agreement with the boss's comments and stared at me blankely as though he didn't know what I was talking about.
by rustyspring October 01, 2007

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