Whoever had the idea to insert WWE wrestler Randy Orton into internet clips of random people eating it, thank you. You deserve an award.
RKO Vines are all about taking your routine "eating it" video and editing in Randy Orton creeping around. When the person's about to eat it, Orton swoops in with the RKO, his signature move. Think of it as a cousin to highlights called by Jim Ross. An even shorter explanation: Shut up and watch these.
Here are a few of the best:
My favorite improved the classic unfortunate skateboarder with coffee:
You can search the Twitter hashtag for more.
Update: Here's a YouTube video with more, from one of the original sources.