Definitions by Itachi_love

Instafav 

Liking a YouTube video so much that within the first roughly ten seconds of watching it, you instantly favourite the video.

You (Thinking in head): "I love this video! (Just started watching)"
You (Commenting on video): "Great video! 5/5, instafav. :)"

Instafav by Itachi_love June 15, 2011