What is trula koalicija?

Some articles on trula koalicija:

Serbian Rock - History - Punk Rock, Post-punk and Gothic Rock (late 1970s - Present)
... rock bands in Serbia featured Kragujevac bands KBO! and Trula Koalicija, both formed by Saša "Vuja" Vujić ... Vujić also formed the band Trula Koalicija in 1986 with the vocalist Predrag "Skaki" Drčelić ... In 2002, Džukele, Novembar and Trula Koalicija disbanded, but the latter two reformed a few years later, Trula Koalicija with a new lineup in 2005, and Novembar in 2007, releasing a new album ...