An annoying, incorrect pronounciation and spelling of the capital of Ontario, Toronto (The most populous city in Canada, and 5th most populous city in North America).
Most commonly used by the 18-25 year old demographic, typically the 'slang' is used on popular social networking sites such as Facebook, Myspace & Twitter.
It is a deliberate spelling/pronouciation error which inaccurately describes any Canadian accent but rather a New Jersey or Southern States dialect.
Hipster says "Taranna with the ladies tonight!"
Hipster says: "So where abouts in Tarrana are you from?"
Stranger says: "I'm not from Tarrana... not sure where that is actually".
Hipster says: "How can you not know where Tarrana is!"
Stranger says" "Oh, you must be one of those Hipster kids... it's Toronto, and I'm from Bay/Bloor area."