Or "Oh Hi" Derived from the epic pictures of lolcats. Used when something the cat, dog, aardvark, long cat, etc. sees something surprising or interesting yet is not limited to.

Solarpunk is a movement focused on a positive, ecological vision for a future where technology is used for human-centric and ecocentric purposes. It is a literary, artistic and aesthetic sub-genre and is also closely tied to eco-political activism. Solarpunk narratives have a distinctly positive and utopian foundation in contrast to the often dystopian visions found within other "punk" science fiction genres.

a greeting often used by so called "scene kids" or myspace users who've grown bored of normal greetings such as "hey" and "hello".

a noun to describe a brod you'd like to say "oh hai " to; a hot babe

An average looking babe is an "oh half hai"
An unfortunate looking babe is a "oh not so hai"

The hotter the dame, the longer the Haaaaaaaai