Internet humor crossed over into the realm of the real world, and immediately started causing trouble this weekend, after a group of high schoolers held up a giant sign reading “You mad bro?” during a ...

Unlike previous 2012 political memes, such as "Binders of Women" and "Big Bird" that were created on the spot during the presidential debates, "you mad" has been around for nearly a decade.

For the uninitiated, the phrase “you mad bro?” is a meme used primarily to incite anger in someone who’s already red in the face. It’s a classic troll tactic that’s been around for ages ...