Hewwo is a variation of hello.

"hewwo" or "henlo" is a term used by the anime/ anthro community. this word is a variation of the word "hello"

Cov! Come out, come out wherever you are...

saying hi in a cute UwU way

This is a childish introduction to a conversation or just an annoying phrase. It is seen as "memeish" yet can be very cringy depending on the user and how it is said. It can be found on Tumblr posts, and is often "cursed" or "invalid" there. PLease refrain from using it if your friends see it as annoying, but if they view it as fun, it may make a good inside joke.

OwO da defyishion of hewwo ish when ya get da mood for UwUing somones OwO ewxwamowple

da ding dat eat da pizza becos it b kitteh hewwo so...ga rlic