It is actually short for huzzah. see huzzah.
I'm going 2 the Ren. Fest HZAH!
by Karonaway August 17, 2007
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It's a word for celebration! If something good happens, just jump up and shout "HZAH!" Get creative with the pronunciation!
1. "I actually DON'T have AIDS, HZAH!"

2. "Wanna take this party to my room?" "HZAH!"

3. "And they lived happily ever after, hzah."
by Burner aka Klitz December 26, 2005
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