Twittersphere - definition and synonyms

noun
  1.   From our crowdsourced Open Dictionary
    a term that describes everybody who uses the microblogging serviceTwitter. It covers both the people you are following and the people who follow you on Twitter.

    By the time I got home, after stopping off for a meal with friends, the Twittersphere had gone into meltdown.

    Submitted on 16/10/2009