Hihi

[Mark Zuckerberg]

A greeting typical in online games, message boards, instant messages, etc.

Can add as many his as you want to it for emphasis.

[Sonia]

The sound made when you laugh.
You can also use [haha], and [hehe].
Works either way.. :P

[Tina]

Greeting used by pre-teen and teenage girls, (sometimes guys) in central Florida who are hyper almost all the time and, laugh at every little thing in the world; should always be typed with an exclamation point. This was started in Citrus County, FL in mid 2006.