Means someone saying "hi" but always trying to give it the extra oomphThe "^^" signifies a happy person,normally used by chix in chatrooms or online games...
"A" meets "B" conversation follows
A:yo! my boo... wat's going down?
B:hihi!^^ i'm doing fine. u?
by Abebil April 6, 2005
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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
by LSC spy November 12, 2020
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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
by Asiafan July 29, 2003
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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*
by Odda2k March 8, 2004
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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?
by Jade McMorbid November 10, 2007
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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 💗”
by burrnurr August 25, 2023
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