Initially a humorous mispronunciation of idiocy'. The journey of a fool, soon to be parted from his or her money. Example: You bought your wife a Faberge Egg from a man in a trenchcoat? You certainly were on an idiodyssey that day!
IDIODYSSEY
Meaning of IDIODYSSEY in English
Slang English vocab. Английский сленговый словарь. 2012