Aussie expression of surprise referring to a woman's breasts when they're noticeable and appealing : i.e.great tits ! Since only aussies understand it, you may use it abroad loudly, in a bar for instance.
- Wow, check-out the red-head over there, mate.
- Cracking cans !
- yeah, nice ass too.
by Boags June 24, 2007
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1. Penile anal insertion.

2. A swift kick to the ass.
1. She enjoys a good can crack every now and then.

2. "If I don't get my money soon, he'll be getting a badass can cracking!"
by e-double January 18, 2006
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