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1.
Adjective

Someone who over-dramatizes a situation or scenario to highlight his or her infantile-istic motives to achieve cuteness.

Someone who is mathistic means that his or her reactions are animated as if something freighting has happened when in reality the situation or scenario is very minimal.
"You are very mathistic."

"Hugghhhh! You have root beer!"

--A childlike persona that one wears: A Mathis - Noun
by Coxy Drexel May 15, 2010