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1.
When someone whom could be considered retarded, or mental/a whore believes someone or something that is out-of-the-ordinary or unrealistic is real or right. Also it is when someone (usually a chick) is just plain stupid. And when youre thinking What the Fuck is she talking about in your head....
Lauren Mattil asked what the dangling thing in her mouth was, everyone responded "Tilapia" and she said "Thats what i thought" she had pulled a major "Mattily"....

Allie was chatting with some friends when Jack decided to try pulling a "Mattily" on her... so he explained that cats were bullet proof due to the refraction causes by the bullets trajectory... she said yeah and agreed...
by Madison Palms February 27, 2009