1. A waste of 30 seconds of your life.
2. A completely
uninteresting piece of news.
3. Coporate Bullshit.
Comes from
deviantart, where notices known as "hot topics" are labelled as "H" in your messages. They're almost always completely uninteresting, lame
promotions, and a total waste of time.
"You
dragged me out here for this? Dude, you 1H'ed me!"
"
Chechnya went 1H after a few years"
"Why is it that whenever I send a letter of
complaint to some company, I get a load of 1H back?"
