hai2u means: A greeting, which is sometimes used to tell everyone that you are here. Hai and Hai2uomg are two examples of offshoots. (in Community Dictionary, added by Charlie Jensen)

What else does hai2u mean?

  • It is a greeting that’s commonly used in IRC. To save time typing, words are often jumbled. “Hai 2 U” is a geeky form of hi. 2 stands for to, and u for you. (in Community Dictionary, added by Yarling)
  • N. Hai2u.com, an internet shock website. It features a photo showing a woman who is vomiting and performing fellatio while sitting on a lawn chair. At the top of this page is the text “HAI2U1:”. v. Expose someone to hai2u.com, even if they don’t know about it. (in Community Dictionary, added by Izabella Baird)