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1.
something beyond disgusting! coined by Roald Dahl in the BFG...
The food was disgusterous
by elizabeth rose June 24, 2007
 
2.
Another word for "Disgusting" But is more fun to say... It will often lead to your girlfriend/boyfriend making a "Awwwwwwhhh" sound... -_-
Ewww... That's completely and totality disgusterous...
by Kirbm13st3r November 28, 2011
 
3.
A dimbo way of saying disguting
I eat dog crap
that is totally disgusterous
by Katy and Louise April 01, 2006