What is "bajone"

Nenad Bajić "Bajone" (born 31 March 1958) is a Serbian singer and child entertainer. He graduated at Stomatology Faculty in Belgrade. However, he dedicated himself to music, and in 1980, he became the youngest member of group Union of composers of Yugoslavia and Union of jazz musicians. He recorded three singles and five albums. Since 1995, every spring he held a series of concerts for children in Belgrade's Sava Centar. He had his last performance in 1998 after which he semi-retired.