look up any word, like fellated:
 
1.
Singlish (Singaporean English) for "sigh".
"Haiz, it so crowded. But wen crowded can squeeze wif gers anot!"
by Appelflap April 10, 2006
 
2.
The cool way of saying "Hello."
"omfg HAIZ!"
"HAIZ!"
by Rob December 24, 2004