b4nnyのようなどんな単語でも探してください。
 
1.
Exposed skin on the "down under" side of the breast such as under an extremely short crop top.
The cheerleaders had super hot outfits that flashed Australian cleavage whenever they shook their pompoms over their heads.
mandingohによって 2006年05月26日(金)
 
2.
Exposed skin on the "down under" side of the breast such as under an extremely short crop top.

The article was in the issue with Scarlett Johansson's Australian cleavage on the cover.
Swinglowによって 2006年05月29日(月)
 
3.
butt cleavage - cleavage from the land down under
People of Wal-Mart is riddled with people with serious, world class australian cleavage
Kelly-TBCRIによって 2010年12月02日(木)