Australian ryhming slang. A reference to former New York Knick Patrick Ewing who rocked the court in a moustache.
Used when disappointed with a turn of events.
"Mate I can't come to your barbecue"
Awful, overrated Australian band who have legions of fans at home but were famously called "donkey wank" by NME.
You Am I shits all over Powderfinger.