Rejoice! Twitter now has a mute button! Well, it's more so a mute option, to be hidden under the profile settings gear in web client as well as the official Twitter apps for Android and iOS, but there's a mute option coming to Twitter regardless. Merely select that option for the user that's getting to be too much for you and they'll be silenced out of your existence. It's that simple.
The mute option will hide any postings to Twitter from that muted individual, be they in your timeline or that user mentioning you. They'll still see your Tweets, and will be able to favorite, reply, and retweet them — you just won't see them anymore. And they won't know that you've muted them. And, of course, you can unmute them should you think it time to do so.
Unlike some third-party Twitter apps which offer more comprehensive muting options, Twitter's newly-rolled-out mute feature only lets you toggle on-and-off muting for individual users. There's no timed muting officially from Twitter, nor is there any muting from a keyword or client.
Thanks to Twitter's size, the mute feature won't be available immediately to all users, but it is in the process of rolling out. With Twitter now supporting the muting of users, who are you going to be muting?