Ubsgusting 

It comes from the roots uber and disgusting. It means is the most disgusting it could possibly be, usually inducing vomit and or other evacuations of bodily fluid.

person 1: dude you see 2 girls 1 cup?
Person 2: yeah, that shit's ubsgusting!

Ubsgusting by Zman88 June 20, 2011

busgusting

The most disgusting, disgusting can get

Paris looked so busgusting today!

busgusting by Roast Boi August 2, 2021

usgusting 

A term used by Bam Margera on Jackass to show how disgusted he was.

Fucking usgusting!!!

usgusting by josh's adlibs August 24, 2017