ginormongous 

Combination of giant, enormous, and humongous.

That mountain we hiked was ginormongous.

ginormongous by That Special Girl May 15, 2006

ginormungous 

the only word suitable to describe the accurate size of certain persons genitalia.

my oh my! janny's penis is ginormungous!!

ginormungous by Patty_cake June 29, 2011

Ginormungous 

Something bigger than Gigantic.

Whoaaaaaa dude. That elephant is ginormungous.

Ginormungous by DisIsSay April 14, 2011