gaggy
Something so gross it makes you want to puke just by looking at it, sniffing it, or tasting it. Think bad food, worse fashion, and the worst smell ever.
My mom’s chili was so gaggy, I had to go to the bathroom and cry.
That dress she wore to the party was gaggy. I think it was made of dead rats.
The smell in the bathroom was gaggy. I saw a ghost trying to escape.