Gargantuan a. : Characteristic of Gargantua, a gigantic, wonderful personage; enormous; prodigious; inordinate.

Example:
What's with these Gargantuan hoop earrings that trashy woman wear?

Taxonomy
gargantuan, Merriam-Webster Online Dictionary, Dictionary, webster, Word Games, Webster Online Dictionary with audio pronunciations, thesaurus, glossary, english, language, ESL, tuan, adjective, Etymology, Gargantua, waterfalls, Unabridged Dictionary, Search Boxes.

Defination from the web:
gargantuan from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... tremendous in size, volume, or degree : gigantic, colossal <gargantuan waterfalls> Learn more about "gargantuan" ...