Reverse Midas Touch

See 'Jackass Of All Trades.'

Somebody who is absolutely useless at any task.

Turns everything to crap.

Ask him to perform a task and he will make a substandard effort.

Tradie: "Hey boss, why did you fire T?"
Boss: "Because he was fucken useless, the Jackass of All Trades had a Reverse Midas Touch."
Tradie: "Whoa, fuck me dead and call me Mary, I guess the company was going into the shitter..."