A cute & flirty way to excitedly say Hi or Heyy to a friend or a guy she likes.
Boy: Hi
Girl: Haii
Boy: Wud?
Etc...
(Shes excited to speak to him)

Friend #1: Heyy
Friend #2: Haiii
Friend #1: wanna hang out today it's been soo long.
Friend #2: Yeaa.
by cali_nation July 25, 2014
Get a Haii mug for your daughter-in-law Nathalie.
A cutesy anime way to say hello. Often used by anime obsessed teen girls who think that acting like a baby is cute, and teen boys who like making fun of said girls.
Girl: Haii~~
Boy: Ok Belle Delphine
by HectorMowsMyLawn February 19, 2021
Get a Haii~~ mug for your barber Nathalie.
Its when a shy or fairly attractive person, who watches anime too much tries to turn they English words to sound more cute. Or they just want to get in your dm's
by xxSwerveDaddyxx January 09, 2017
Get a haii mug for your coworker Helena.