an act or object that is gross and creates disgust

Gross and Disgusting, only mixed together and worse.

A combination of gross and disgusting;
utterly sickening.

Grossgusting is a portmanteau word made of the two words: gross and disgusting.
When one who never talks about their feelings shamelessly pours them out in the open towards a loved one like a family member or friend.

nasty, making one want to puke, ewwwie