I don't know who's in charge of the White House Twitter account, but they're obviously a fan of the movie "Mean Girls".

Because yesterday, they Tweeted a picture of Bo, the First Dog, with a ball in his mouth and the caption, "Bo, stop trying to make fetch happen."

(Twitter)

In "Mean Girls", Lacey Chabert's character is trying to turn "fetch" into a cool, new expression, as in, "That'll be SO fetch!"  And Rachel McAdams' character tells her, quote, "Stop trying to make fetch happen.  It's not going to happen!"

Here's video: