A group who outwardly appear as a workers' union, such as SEIU, AFL-CIO, or UAW, but who are used by politicians to act as intimidators at public forums like townhalls or demonstrations.
"We came to talk to our congressman about our opposition to government controlled healthcare, but a goonion was bussed in from outside our district to shout down questions and throw elbows at citizens."
by WesternCiv September 1, 2009