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1.
A super fast sled made by the superior snowmobile manufacturer known as "Arctic Cat"
"That white boy with the F7 firecat just smoked that poo poo, doo doo, and yamahaha on the lake.
by Chris F October 06, 2005
 
2.
A girl or young lady who would absolutely destroy/tear a guy to shreds if she was able to get her hands on him in any way shape or form..
"Whoa...Laura is a real firecat"
by BC59 December 11, 2008