Used in Australia as an acknowledgement of one's mates before having a large swig of an ice cold beer. Not any other drink, not any other temperature. Beer only. Ice cold.
As well as other responses such as "up your nose with a rubber hose" the one true response if a nod and a wink whilst saying "Fuck off Noddy!".
Bloke 1: My shout
Bloke 2: Schooner of New Bloke 3: Pint of SuperDry
1: No worries, back in a sec
.
.
.
1: Here you go (whilst handing around beers)
1: Cheers Big Ears
2&3: Fuck offNoddy!
An Australianism associated with drinking: When you're about to take a drink, you say "cheers big ears". There are two usual responses: "same goes big nose," or "up your nose with a rubber hose."
And dying in yo' bed many years from now, would ya be willing ta trade all da days from dis here day ta dat fo' one chance, just one chance, ta come back here as young men an' tell our enemies dat dey may take our lives but dey will never take our freedom ... YUB NUB!