Garganta, Garuganta; Spanish for "Throat", Japanese for "Black Cavity", is the void that exists between the Three Worlds, mainly used by Souls that have become Arrancars and Hollows to move between Hueco Mundo, the Human World, and Soul Society. Mainly to move to Hueco Mundo.
Gargantous is a word used to describe something that is massive or very very big. Males like to use this word alot.
Billy: hey willy wanna go play swords with our gargantous dicks later
willy: sorry billy i cant i already promised this gargantous dick to my friend andrew later
The name given to a woman at Wendy's who was literally wider than she was tall, that demanded that she recieve "10 pieces of bacon on her Baconator Burger and not those little half strips and that they had better not charge her for 20 pieces of bacon."
Guy 1: Did you just see that 5' tall 7' wide woman that wanted all that bacon?
A person of large structure that not only participates in twat like behavior but is basically a twat all the time. They tend to have sister wife hair and have shoes a small child could sleep in.
Oh look there's that gargantutwat. I expect she is off to tell someone how to do something she has never done before.