hihi 

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

Can add as many hi's as you want to it for emphasis.

1) Random_Noob_01 has entered the game.
2) Random_Noob_01: hihihihi

hihi by Asiafan July 28, 2003

hihi 

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

Hihi.. thats funny..

or with irony..
(you seesome dude fall down and break his leg off): hihi.. fun-ay.. *not*

hihi by Odda2k March 8, 2004

hihi 

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.

*Girl 1 walks into room*
Girl 1 – Hihi!
Girl 2 – Hihi! What’s up?

hihi by Jade McMorbid January 5, 2009

hihi 

sex

i wanna have hihi with harry styles

hihi by ___1D___ May 21, 2020

Hihi 

It’s the perfect word to convey a wide range of emotions from happiness to shyness to blushing.

It’s usually used by people named “Julia”

-“Ur so cuute”
+”Hihi 💗”

Hihi by burrnurr August 25, 2023

hihi 

A rather mawkish and fawning way of greeting someone, especially on the internet. Because two hi's obviously make you sound more likeable...

Chat user 1: omg hey you're back!
Chat user 2: hihi!

hihi by Mary Mary Quite The Contrarian March 27, 2024

HiHi HiHi 

This phrase is commonly used by a LSC teacher called Mr. Simon Lo. He always put his head out of the window during the time before assembly. But the students laugh at him secretly

Mr. Simon Lo: HiHi HiHi
Students :HAHAHAHAHAHAHAHAHAHHAHA

HiHi HiHi by LSC spy November 12, 2020