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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*
hihi by Odda2k March 8, 2004
Related Words
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
i wanna have hihi with harry styles
hihi by ___1D___ May 21, 2020
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
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 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
More from Urban Dictionary
NYC people who migrate north to Quahog, RI to see the leaves in the fall.
New York and everyone from there can fornicate themselves with an iron stick.
leafers by ss++ February 8, 2005
Word of the Day on September 27, 2026
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