Green’s Dictionary of Slang

bazonkas adj.

[SE berserk + bonkers adj. (2)/ bananas adj. (2)]

(US) crazy.

[UK]E.S. Maggin Superman 61: Jimmy called up from Princeton and everybody went bazonkas.
Mystery Men Project [Internet] Yep. Spleen is really out of it. The poor fellow has gone totally bazonkas.
[US]H. Persson 15 Jan. [email] Google has a ‘View as HTML’ option for PDF files. This converted version makes my Mozilla go bazonkas, but I can use Copy link location in Mozilla.