An airborne disease caught by associating one's self with one of the infected. In order to prevent contracting "The Emo" one must maintain a ten foot radius around one's self from the infected. Be sure to also wear bright colors and a smile to be 100% safe from becoming one of the infected.
"Josh: Did you hear? Tom caught The Emo!
Josh: He got too close to one of the infected while walking past the razor section in CVS.
Courtney: Well, I guess we're not hanging out with Tom anymore..."