1)An extremely obese math teacher in northeast Ohio. Usually teaching at Braden Jr. High.
*Loves Domino's pizza
2)A person who is fat beyond belief.
Person 1:Gosh, look at that fat ass over there!Looks like he or she is ordering pizza!
Person 2 :WOW! What a fatosaurus!
An extremely fat chick.
she's a fatosaurus. She could eat the whole bucket of chicken on her pown