This is Grandmaster Flash:
This is a grandma:
In case it wasn't clear from those pictures, a grandma and Grandmaster Flash are not the same thing ... so maybe someone should tell that to Facebook, or at least the social network's elderly users.
In what might be the strangest, most hilariously harmless trend you've seen in a while, droves of female senior citizens are signing off on their posts and accidentally tagging themselves as the legendary hip hop recording artist and DJ who rose to fame in the early '80s and pioneered a lot of the major hip hop production techniques still in use today.
It's a simple mistake, but there's something undeniably hilarious about getting a post on your Facebook wall along the lines of "Sarah, hope you're doing well. We miss you very much! Love Grandpa and Grandmaster Flash."
In fact, this has been happening so much lately that screen-caps are being collected and posted on the new Tumblr, GrandpaAndGrandmasterFlash.tumblr.com. Here are some of the best: