retard.js

var args = message.getContent().split(" ");
if (args.length < 2) {
    channel.message("Wrong command, you retard, try //retards");
    return;
}

var user = args[1];
if (!user.startsWith("<") || !user.endsWith(">")) {
    channel.message("Ping them!");
    return;
}
user = user.substring(1, user.length - 1);
if (!user.startsWith("@")) {
    channel.message("Ping them!");
    return;
}
user = user.substring(1);
if (user.startsWith("!"))
    user = user.substring(1);

var userObj = guild.getUser(user);
if (!userObj) {
    channel.message("Noone is a retard!");
    return;
}

manager.addRole(userObj, guild.getRole("478235767836246017"));
channel.message("We have one more retard on this planet!");