Swansongs for Brad Thorn in Brisbane may now rival John Farnham.

Indeed, the dual international has been expected to farewell his former home ground so many times Thorn feels like that annoying last guest who doesn't know when to leave the party.

But the All Blacks backrower says Saturday night's Tri Nations decider will absolutely, positively be the very last chance to see him at Suncorp Stadium - until maybe next time.

"Last year when I came and played Queensland (for Super Rugby club Crusaders) they said that would be my last game but this has been the fourth game since then," Thorn laughed.

"I'm sort of like the guy that won't leave the party.

"Everyone's giving the signals but he just doesn't get it."

Thorn, 36, has signed to play in Japan after this year's Rugby World Cup but joked he may return to Brisbane just to run out in the NRL with another Broncos favourite son - Petero Civoniceva.

"Maybe me and Petero, we just don't get the hint and keep coming back for more," Thorn laughed when asked about Civoniceva's 2012 return to the Broncos.

"Surely this is the last game for me (at Suncorp Stadium) and we'll see."

In a season of farewells at Suncorp Stadium, Thorn's likely last hurrah in Brisbane comes a week before ex-teammate Darren Lockyer's NRL regular season send-off.

But like Thorn, Lockyer may return depending on the Broncos' finals fate.

"He's had a lot of farewells as well," Thorn laughed.

"There's just a heap of us. (But) that guy's a champion.

"I can't say enough of Locky and the class that he is.

"So too is my big mate Petero. It's going to be wonderful to see him back in the Broncos next year.

"The whole of Brisbane is stoked about that.

"As for me, I'm just having fun and I'll look forward to this weekend and what follows that is exciting."

Thorn has been recalled by coach Graham Henry in a near-full strength New Zealand team for the clash with the Wallabies after being excused from last weekend's Tri Nations loss in South Africa.

Believed to be the second man to represent Australia in rugby league and New Zealand in rugby union, Thorn said Suncorp Stadium would always have a special place in his heart.

But he will no doubt remember it more fondly if he leaves with the trophy in his grasp on Saturday night.

"It's a great opportunity to play over here in my old hometown and a great stadium and the Tri-Nations is at stake - and also it's an important game before the tournament that comes after it."

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