pejorative nickname for the Canadian province of Ontario. Used mostly in regards to the the lack of soul people and places in Ontario posses. Compared to other provinces, where style, culture, and ingenuity play a dominant role, Ontario does not posses any of these qualities. Ontario is known for their anglo-saxon, conservative, overpopulated views, which diminish the respect even their own citizens have for each other.
Person 1: Hey Logan. Want to go party in Onterrible tonight?
Definitions include: Liveleak addicts (also know as Liveleakers, LL'rs, people who visit that website's community sections Liveleakers, and Yoursays) use this expression when they are wasting valuable time screwing around on the sit e when they should be paying more,attention to their day jobs if in fact any of them even have those.