Top Definition
Jacksource is the practice of using a flagrant, boastfully argumentive approach to harvesting new information or ideas from another person for personal benefit.
Man, that guy thought he was so smart. So, I caught him on a bad day, jacksourced him and ended up getting him fired that day. I took over his job soon thereafter thanks to the knowledge he spilled in defensive anger.
by JackOfTheTradeYo January 13, 2011

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