What Does 'Hella' Mean?

The word ‘Hella’ is widely used throughout Canada and U.S. However in the beginning, it used to be pronounced only in Northern California and Washington State. ‘Hella’ refers to the words like ‘very much’, ‘a lot’ or ‘really’. Sometimes it is a kind of way to say ‘yes’. According to Pamela Munro, a famous linguist, ‘Hella’ is used to modify some of the adjectives like ‘good’. However the term ‘hell of a’ is used with a noun.