The white froth that forms at the edges of one's mouth. Usually occurs during dehydration, or if you are a dog.
A guy that just finished crossing the sahara desert is likely to have mad fish goo.
by Allan Jackson May 2, 2005
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a type of poision fish that only unicorns can eat without dying.
charlie the unicorn,theres fugoo fish(fu-goo fish) everywhere
by inuani57 May 18, 2008
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