a phrase used to show a high level of agreeance with a particular tweet or statement, which they believe needs to be heard by a larger audience. The speaker will usually say this in the form of a quote tweet or reply, in an effort to amplify the message.
Ex.
Blue Check #1: “Racism is as old of an American tradition as American Pie.”
Blue Check #2: “SAY IT LOUDER FOR THE PEOPLE IN THE BACK GF!”