Can also be used as an adjective:
1- of, pertaining to a giant gaping asshole.
2- like a giant gaping asshole.
3- Really freakin
Pronunciation: can be pronounced (hue-jane-guh-ness) or (hue-gang-uh-ness)
(in reference to a boss in shadow of the colossus)
Dude that guy at the bar was a total huganganus.