(noun)
Someone who follows you around on Facebook, and comments of everything you do.
Person: Oh my god, that stalker keeps liking all my new photos! I should never have added him. He's such a Facebook Rash.
Term first introduced by The Oatmeal.
Highly Active Online Involvement.
Referring to the action of openly stalking others on social media, liking and/or commenting on every post they upload.
Can either be done by constantly following every recent thing a person does, or by going through all of their old posts and telling them about it.
People who do this have been referred to as Facebook-rashes or Instagram-fleas.
A: *updates status on Facebook*
B: *likes status 2 seconds later*
A: Stalker...
B: It's not stalking, it's HAOI..!
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X: Nice photo you uploaded, back in 2009!
Y: Dude, do you stalk me?
X: No, I HAOI you.
Y: Creep...
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