Sai is usually a way to refer to someone who is super fucking confused why urban dictionary is defining their name in such kind ways.
Damns thats a Sai right there, you can tell because theyre reading their urban dictionary definitions.
Sai is a term of what you call your friend if they’re confusing/just basically brain dead.
Sally:”Remember when that happened… exactly”
John: “You’re acting like a Sai rn”
A person place or thing that loses Instagram swaps.
You see that sai swapped a new @?
He lost it though