look up any word, like bukkake:
 
2.
1) one who tries to break apart a union by clearly and willingly stating an unpopular opinion to enrage most of the population and cause them to fight each other

2) the opposite of a union, a bunch of people who act cynical and sarcastic with each other
example of both definitions:

"Man, we were having a real great time discussing anime the other day when this uniju came in and messed everything up. It turned into a real uniju fast."
"Dude, you are such an otaku."
by club sauce February 08, 2009
 
1.
Stupid kid who thinks he knows everything. He's easily offended if you don't agree with him and loves Simon the Driller.
"Shut up, Uniju"
by Tu-Eng April 18, 2009