gynammic 

When ginormous or gigantic doesn't quite define it.

My penis is so gynammic that it doesn't fit in my pants!

gynammic by Sheo Gorath May 13, 2022

gynamic 

Really fuckin BIG!!!!!!!

My dick is GYNAMIC!!!!

gynamic by SC00TER 111 October 9, 2006

gynamic 

combination of the words giant and dynamic

Giant: something of immense size and strength

Dynamic: characterized by vigorous activity and producing or undergoing change and development

That site is gynamic! It's SO HUGE it has spawned its own virtual world.

gynamic by Mind Blowing Junky Jazzman March 17, 2008

Gynamic 

Very big in diameter

That pool was gynamic

Gynamic by ElBarden March 24, 2019