(Geh-gah-not-toe-saw)
A noun used to describe the largest of all, whether that be in height or width. But it is usually used to describe fat people.
Person 1: Did you see that tall kid the over day?
Person 2: Yeah.
Person 1: He must've been about 189cm.
Person 2: I never thought I'd see a Giganotosaur twelvie.
by FunkeeKrunch September 5, 2014
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