1. We can boo the prime minister
and
2. He'll cop it on the chin, have a laugh about it and move on.
Honestly if Tony Abbot met someone who boo'd him he'd probably just have a chuckle, as would Julia Gillard or any of the other leaders of Australia. Barring K.Rudd, most of the Aussie leaders have pretty thick skins and understand the role they perform entails having criticism thrown their way