Top Definition
1. The large volume of ambergris expelled from the innards of large aquatic mammals.

2. Blatant petty theft perpetrated by large aquatic mammals.

3. The extreme intellectual and verbal abuse of a person whose ethnicity is that of mexico, alaska, hawaii, and california and whose ancestors from the aforementioned places lived within a few miles of the ocean.
Hey Kevin, what's your obsession with porpishork?
by Xonide November 16, 2007
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