I'd been looking for something like this for a long time too.
For the past couple of months, I've been using an IFTTT recipe that takes anything I watch on YouTube, which I designate essentially with their thumbs up, and it creates a draft post on my site.
Some things I keep privately while others get posted publicly. You could write most of the format of your "like" within the IFTTT interface, including the u-like-of.
For a while I've been using the Post Kinds Plugin to parse the URL and pull in the meta-data as well as wrapping it with the u-like-of. Despite being more of a PESOS workflow, it's pretty quick and simple. Here's a recent "watch" post: http:/
Post Kinds Plugin is theme-able so you can modify things to display the way you'd like, though I generally find the default is pretty solid.
Alternately, Post Kinds also allows you to create a bookmarklet that imports the URL directly to quickly create a post (of almost any type). I've detailed how to do it here: https:/