The Socceroos face a hellish away game against Syria to qualify for the World Cup after they failed to put Thailand to the sword on Tuesday night.
Australia's worst nightmare came true after Saudi Arabia's 1-0 win over Japan denied them direct qualification into the World Cup for the first time in over a decade.
The Socceroos finished third in their qualifying group, and now face a horror stretch of must-win international games if they want to play on the world stage next year.
Long-serving goalkeeper Mark Bosnich said Ange Postecoglou's reign as national coach was 'hanging by a thread' in a passionate post-game spray.
Former Socceroo Robbie Slater agreed, accusing Ange of spreading 'toxic cr*p.'
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Devastating: Australia's hollow victory against Thailand saw them finish third in the qualifiers for the World Cup. They now face a hellish away game against Syria
Not good enough: Football legend Mark Bosnich lashed Socceroos coach Ange Postecoglou
Bosnich said Postecoglou's (pictured) reign as national coach was 'hanging by a thread'. Former Socceroo Robbie Slater accused the coach of spreading 'toxic cr*p'
Former Socceroo Robbie Slater agreed, accusing Ange of spreading 'toxic cr*p in a string of fiery tweets on Wednesday morning
The Socceroos must now confront a dangerous two-pronged play-off route, which begins with a home and away leg with Syria next month.
According to Bosnich and Slater, they should also confront a coaching change.
The former Aston Villa and Manchester United gloveman laid bare his issues with Postecoglou's approach on Tuesday, starting with his divisive 3-2-4-1 formation.
'Don't be using the national team as an experimental laboratory. It's not there for that. It's too important for that,' Bosnich told Fox Sports.
'We're not England or Brazil or federations with a lot of money. We are strapped for cash and this game in this country needs us to qualify for the World Cup all the time.
'At the moment, he's hanging by a thread in my opinion.'
'If we go