Commonly used on IRC, represents the greeting "hi to you". Words are usually jumbled to save typing time, "hai 2 u", hai being a geeklike form of hi, 2 being short for to and u being short for you.
* female join the channel
Hai2u.com is an internet shock site. it features an photo of a woman vomiting while performing fellatio on man sitting in a lawn chair
The site has the text "HAI2U!!!1 :)" at the top of the page.
To expose someone to hai2u.com without them knowing about the site to shock them.
"omg! this dude just HAI2U'ed me! IT WAS SOOOO GROSS!"
A Greeting, sometimes used to show everyone you're here.
Offshoots include Hai and Hai2uomg
1: Hai2u dood, leik wuts up.
2: Hai dood.
3: HAI2UOMG ANYONE HERE>?!?!/1/1