{interj.}, {informal} I am ready to begin, but this will be a waste of time; this will not be anything great; this will probably fail. - Used especially before beginning something that takes skill, luck or courage. * /"Here goes nothing," said Bill at the beginning of the race./
HERE GOES NOTHING
Meaning of HERE GOES NOTHING in English
Slang English vocab. Английский сленговый словарь. 2012