gigantomastia 

A medical term for natrual drastic enlargement of the breast. It could happen during puberty (virginal) or pregnancy (gestational)

(Virginal gigantomastia) A teenager going from an A cup to a DD cup in two weeks

(Gestational gigantomastia) A woman going from a C cup to a G cup

gigantomastia by Silver_Eagle May 1, 2010

gigantomassihugantititanicacolossanormougargantuaelephantigrahulkimightymountanouponderouprodigiouimposimonumentatremendouwallopitowering

Infinitely massive, to the point where you can’t even describe or fathom how large it is

Person 1: “Yo, that girl Bertha, she fine as hell!”
Person 2: “How fine though?”
Person 1: “She’s like gigantomassihugantititanicacolossanormougargantuaelephantigrahulkimightymountanouponderouprodigiouimposimonumentatremendouwallopitoweringly hot.”

gigantomassihugantititanicacolossanormougargantuaelephantigrahulkimightymountanouponderouprodigiouimposimonumentatremendouwallopitowering by kmts<3j August 28, 2022

gigantomatisch 

German neologism used to indicate a very big thing.
Tomatoes seem to be involved in the etymology.

Der witz war gigantomatisch witzig. (The joke was gigantomatically funny).

gigantomatisch by vinniec March 9, 2020

gigantomachia 

character in the anime my hero academia with a flat ass

“they are like gigantomachia”

“how?”

“they have no ass”

gigantomachia by Curlyfrie November 8, 2020