1 definition by francis4thewin
A very smart Jewish person, or a "jewish genius." Usually used to describe a jewish person sarcastically when they are being less than intelligent.
Jeremy is a jewnius for taking a shot on his own basket.
Jillian is a jewnius for taking that much adderall.
Jillian is a jewnius for taking that much adderall.
by francis4thewin October 26, 2009