We all know what "G'Day Mate" means in Aussie Slang, but what about "Common, let's go have a Gander"?
Correct answer: Come on, let's go have a Look

Player #77207230
It's English slang copied by Oz.

Deborah
I grew up hearing and using the phrase, "Let's have a gander at that" meaning Let's go take a look and I am Canadian.

Unreal Neil.
Being an Aussie, I often take a gander. Lol.

seanieG eire/kreta
Unreal Neil., in Ireland we take a gander at things

jennifer
us Aussies also have a look at something by saying have a butchers hook (look) gotta ❤️ love us Aussies

Castra
jennifer,
Butcher's hook is from the UK.
It's Cockney rhyming slang, properly used by people of the East End of London, born within the sound of the Bow Bells, it still means take a look though.

Tara Tippy.
oi oi

Smeeg
jennifer, that was taken from the British original saying from Cockney rhyming slang.

the horror
jennifer, Having a buthers is Cockney rhyming slang

Cat Mom
I'm American and I always thought that it meant to take a guess

BrainTek
even in Canada here "let's go have a gander" is understood to be like going to have a peek or a look

marimargo
Guess I'm not up to date on slang. Didn't know any of these slang phrases

Wisenheimer
It's a homespun saying.

tash
as an Aussie, I got it wrong lol

J
We also use the phrase in dear old Blighty! 😂

Tom
cobba, let's have a Vegemite sandwich by the coolabah

Marcy
come on take the gander to be cooked for dinner