look up any word, like tribbing:
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.
by Mind Blowing Junky Jazzman March 17, 2008
Really fuckin BIG!!!!!!!
My dick is GYNAMIC!!!!
by SC00TER 111 October 09, 2006