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1.
Hiu
A word meaning "Hello, Whats Up?" also put at the end of a sentence to prevent an ocuard silence. Often used while text messaging.

See Hello
Person 1: Hiu?
Person 2: Good, Hiu?
Person 1: Movie Later, Hiu?
Person 2: Hiu :-)
by Thomas Yohane January 04, 2009