It involves at least one player, coach, referee, or other standard participant. A fan does not satisfy this criterion.
It is more significant than an obvious flop or dive.
The post must (preferably though not necessarily directly) be a link to a picture or video. GIFs qualify as videos.
Do not post exceedingly NSFL hits.
You can assign the link flair yourself or one of the moderators will get around to doing it for you. We prefer that you don't include it in the title since it just takes up unnecessary space.
GIFs and pictures generally get more attention than videos, especially from mobile users, so we encourage sharing those if possible. Perhaps you can reap in double karma for including the video in a comment.
Try to provide a link at which the hit happens within just a few seconds or at least indicate in the title how far into the video the hit is.