Definition: An "esky" is Australian slang for a portable cooler. In New Zealand an esky is known as a "chilly bin."
Eskies are filled with ice and are used to keep drinks cold or meat and seafood fresh -- much like a portable fridge.
From Syrie Wongkaew, former About.com Guide
An Esky also known as a Cooler
S. WongkaewEskies are filled with ice and are used to keep drinks cold or meat and seafood fresh -- much like a portable fridge.