Gigadome 

Head significantly larger than the human average.

George be rockin' that gigadome yo.

Gigadome by DiscountKyle August 2, 2020

Giganometricitimal 

Only applicable to objects. An object that can exist inside or outside of physical space, however simultaneously is excessively large to the point of ridiculousness, too large in reality to be comprehensible to the human mind or the hyper-advanced alien mind.

This orange... is giganometricitimal in scale!

I earned a giganometricitimal quantity of clout after that video.

Giganometricitimal by Sandst4rm March 13, 2023