1 definition by Macquarie u waterpolo

A 'goonami' occurs when a goonsack is burst, spilling the precious alcohol everywhere.

The term originated in Australia.
Sack bursts on ground (usually on grass or uneven concrete).
People surrounding the sack start shouting goonami, and then get the breaker to buy another.
by Macquarie u waterpolo October 11, 2010
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