Top Definition
n. a mammal related to the mongoose, filling the role as largest mammalian predator on the island of Madagascar. It is particularly adept at hunting lemurs. It is properly spelled fossa, but the spelling "foosa" is a more accurate phonetic spelling.
The foosa ate the lemur.
by bk pit bull October 22, 2008
2 more definitions
Weasel Cat
Foosas look like a cross between a weasel and a cat.
by Lord K November 17, 2011
"Madagascar" word for "Hyena"
The Foosas, the foosas are attacking
by Dingbat16 August 14, 2005

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