Usually a chick who can't get over herself and pretends to be insecure while wearing a tiny and revealing skirt and crop top. They usually also pretend to be slutty and get with guys for attention. A hizno is a woman who will seem to be everything you've dreamed of in a woman and will make you feel like the only guy in the world.
A party animal, one who enjoys a good drink with some friends. Is a very sociable person, enjoys talking, and somebody whom you want to have at a party or gathering of people.
(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.