An unstoppable video that begins on a Web page, no matter what your browser settings for video auto-play are, and can only be stopped manually. The most insidious versions can't be stopped at all.
CNN has started using videopharts. Doesn't matter how you set your browser, they load and begin playing automatically until you manually shut them off.
This occurs when someone on your buddy list, who used to be a friend, was never deleted from the list. You mean to click the video chat icon next to your friend's name, but accidentally click the used-to-be friend's name. You immediately cancel the invitation and block the person, to prevent the incident from re-occurring.
Alexa: Shit! I just accidentally invited Kyle to a video chat and then canceled it immediately. Now I have to block him so that never happens again!
Jacob: Haha I just got the accidental videochat block from John. I havent talked to him in months and he invited me to a video chat, canceled a second later, and then blocked me.