to con someone with being as shiesty as possible so that you make out not just the best and with the most to gain - but do it in a way that they have no idea what happened and think its a greatest thing since sliced matzah?(...ok bread)!
Lets get our JEWCON on and make some monies!

or

Dont you jewcon me - i see whats going on here...
by Bonzo420 February 12, 2009
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Jewcon is an event for Nazis who like to burn Jews
Carl: “wanna go to jewcon
Bob: “hell yeah, I’ve been practicing my cooking skills”
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