(1)As a greeting or as a farewell, to be used in general
speak as a substitute for a much better, more
difficult salutation.
(2) As a substitute for an affirmative response.
(
3) As a substitute for virtually any interjection.
(1)Fred: I'll see you tomorrow,
Chuck.
Chuck: OK Fred. Hizzoo!
(2)Fred: Are you going to the movies?
Chuck: Hizzoo!
(3) (A) Fred: Jeter just hit a Home
Run. Hizzoo!
(
B) Fred: I won! I won! Hizzoo!
(C) Fred: Didn't that movie rock?
Chuck: Hizzoo!