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
Get the Jewniusmug. by The Goofather March 25, 2008
Get the jewniusmug. by chocoluvr1234567890 May 15, 2009
Get the jewniusmug. by Anonymous Pubes February 5, 2012
Get the JEWniusmug.